FR734820A - Instrument de frappe ou marteau - Google Patents

Instrument de frappe ou marteau

Info

Publication number
FR734820A
FR734820A FR734820DA FR734820A FR 734820 A FR734820 A FR 734820A FR 734820D A FR734820D A FR 734820DA FR 734820 A FR734820 A FR 734820A
Authority
FR
France
Prior art keywords
hammer
striking instrument
striking
instrument
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
Other languages
English (en)
Inventor
Theodor Lechelt
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 filed Critical
Application granted granted Critical
Publication of FR734820A publication Critical patent/FR734820A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G3/00—Rotary appliances
    • F28G3/10—Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR734820D 1932-03-11 1932-04-07 Instrument de frappe ou marteau Expired FR734820A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE734820X 1932-03-11

Publications (1)

Publication Number Publication Date
FR734820A true FR734820A (fr) 1932-10-28

Family

ID=6641968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR734820D Expired FR734820A (fr) 1932-03-11 1932-04-07 Instrument de frappe ou marteau

Country Status (1)

Country Link
FR (1) FR734820A (fr)

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