FR378414A - Perfectionnements apportés à la production de hauts degrés de vide - Google Patents

Perfectionnements apportés à la production de hauts degrés de vide

Info

Publication number
FR378414A
FR378414A FR378414DA FR378414A FR 378414 A FR378414 A FR 378414A FR 378414D A FR378414D A FR 378414DA FR 378414 A FR378414 A FR 378414A
Authority
FR
France
Prior art keywords
production
high vacuum
vacuum levels
levels
vacuum
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
Joseph Zeitlin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR378414A publication Critical patent/FR378414A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/18—Covers for saddles or other seats; Paddings
    • B62J1/26—Paddings involving other resilient material, e.g. sponge rubber with inflatable compartments

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR378414D 1907-06-03 1907-06-03 Perfectionnements apportés à la production de hauts degrés de vide Expired FR378414A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR378414T 1907-06-03

Publications (1)

Publication Number Publication Date
FR378414A true FR378414A (fr) 1907-10-04

Family

ID=1424771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR378414D Expired FR378414A (fr) 1907-06-03 1907-06-03 Perfectionnements apportés à la production de hauts degrés de vide

Country Status (1)

Country Link
FR (1) FR378414A (fr)

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