CA230341A - Dispositif producteur de vide - Google Patents

Dispositif producteur de vide

Info

Publication number
CA230341A
CA230341A CA230341A CA230341DA CA230341A CA 230341 A CA230341 A CA 230341A CA 230341 A CA230341 A CA 230341A CA 230341D A CA230341D A CA 230341DA CA 230341 A CA230341 A CA 230341A
Authority
CA
Canada
Prior art keywords
vacuum producer
producer
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
CA230341A
Other languages
English (en)
Inventor
Edward Anderson Charles
Palmer Perkins Frank
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 CA230341A publication Critical patent/CA230341A/fr
Expired legal-status Critical Current

Links

CA230341A Dispositif producteur de vide Expired CA230341A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA230341T

Publications (1)

Publication Number Publication Date
CA230341A true CA230341A (fr) 1923-04-17

Family

ID=35127714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230341A Expired CA230341A (fr) Dispositif producteur de vide

Country Status (1)

Country Link
CA (1) CA230341A (fr)

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