CA338603A - Appareil a vide - Google Patents

Appareil a vide

Info

Publication number
CA338603A
CA338603A CA338603A CA338603DA CA338603A CA 338603 A CA338603 A CA 338603A CA 338603 A CA338603 A CA 338603A CA 338603D A CA338603D A CA 338603DA CA 338603 A CA338603 A CA 338603A
Authority
CA
Canada
Prior art keywords
mechanical vacuum
vacuum
mechanical
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
CA338603A
Other languages
English (en)
Inventor
E. Cannon Evans
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
Publication date
Application granted granted Critical
Publication of CA338603A publication Critical patent/CA338603A/fr
Expired legal-status Critical Current

Links

CA338603A Appareil a vide Expired CA338603A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA338603T

Publications (1)

Publication Number Publication Date
CA338603A true CA338603A (fr) 1934-01-16

Family

ID=35301744

Family Applications (1)

Application Number Title Priority Date Filing Date
CA338603A Expired CA338603A (fr) Appareil a vide

Country Status (1)

Country Link
CA (1) CA338603A (fr)

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