FR22021E - Perfectionnements aux frappeurs pneumatiques - Google Patents

Perfectionnements aux frappeurs pneumatiques

Info

Publication number
FR22021E
FR22021E FR22021A FR22021DA FR22021E FR 22021 E FR22021 E FR 22021E FR 22021 A FR22021 A FR 22021A FR 22021D A FR22021D A FR 22021DA FR 22021 E FR22021 E FR 22021E
Authority
FR
France
Prior art keywords
air
batting skills
batting
skills
air batting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR22021A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DUJARDIN ET CIE
Original Assignee
DUJARDIN ET CIE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DUJARDIN ET CIE filed Critical DUJARDIN ET CIE
Application granted granted Critical
Publication of FR22021E publication Critical patent/FR22021E/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • E04C3/205—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members with apertured web, e.g. frameworks, trusses

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
FR22021A 1919-12-30 1919-12-30 Perfectionnements aux frappeurs pneumatiques Expired FR22021E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR22021T 1919-12-30

Publications (1)

Publication Number Publication Date
FR22021E true FR22021E (fr) 1921-04-21

Family

ID=8660964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR22021A Expired FR22021E (fr) 1919-12-30 1919-12-30 Perfectionnements aux frappeurs pneumatiques

Country Status (1)

Country Link
FR (1) FR22021E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1040000C (zh) * 1989-10-17 1998-09-30 鲁索-艾克勒夫公司 20,21－二去甲象牙烯宁的15位被取代的新衍生物的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1040000C (zh) * 1989-10-17 1998-09-30 鲁索-艾克勒夫公司 20,21－二去甲象牙烯宁的15位被取代的新衍生物的制备方法

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