CA179049A - Soupape a vide - Google Patents

Soupape a vide

Info

Publication number
CA179049A
CA179049A CA000179049A CA179049DA CA179049A CA 179049 A CA179049 A CA 179049A CA 000179049 A CA000179049 A CA 000179049A CA 179049D A CA179049D A CA 179049DA CA 179049 A CA179049 A CA 179049A
Authority
CA
Canada
Prior art keywords
vacuum valve
vacuum
valve
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
CA000179049A
Other languages
English (en)
Inventor
Alexander Des Rocher
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 CA179049A publication Critical patent/CA179049A/fr
Expired legal-status Critical Current

Links

CA000179049A 1917-06-18 1917-06-18 Soupape a vide Expired CA179049A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179049T 1917-06-18

Publications (1)

Publication Number Publication Date
CA179049A true CA179049A (fr) 1917-09-04

Family

ID=45298702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000179049A Expired CA179049A (fr) 1917-06-18 1917-06-18 Soupape a vide

Country Status (1)

Country Link
CA (1) CA179049A (fr)

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