CA429492A - Appareil a vide - Google Patents

Appareil a vide

Info

Publication number
CA429492A
CA429492A CA429492A CA429492DA CA429492A CA 429492 A CA429492 A CA 429492A CA 429492 A CA429492 A CA 429492A CA 429492D A CA429492D A CA 429492DA CA 429492 A CA429492 A CA 429492A
Authority
CA
Canada
Prior art keywords
vacuum apparatus
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
CA429492A
Other languages
English (en)
Inventor
William Tills John
Christopher Potts Frank
Baskeyfield Lovatt John
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 CA429492A publication Critical patent/CA429492A/fr
Expired legal-status Critical Current

Links

CA429492A Appareil a vide Expired CA429492A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA429492T

Publications (1)

Publication Number Publication Date
CA429492A true CA429492A (fr) 1945-08-14

Family

ID=35544492

Family Applications (1)

Application Number Title Priority Date Filing Date
CA429492A Expired CA429492A (fr) Appareil a vide

Country Status (1)

Country Link
CA (1) CA429492A (fr)

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