CA236674A - Dispositif a vide - Google Patents

Dispositif a vide

Info

Publication number
CA236674A
CA236674A CA236674A CA236674DA CA236674A CA 236674 A CA236674 A CA 236674A CA 236674 A CA236674 A CA 236674A CA 236674D A CA236674D A CA 236674DA CA 236674 A CA236674 A CA 236674A
Authority
CA
Canada
Prior art keywords
vacuum feed
vacuum
feed
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
CA236674A
Other languages
English (en)
Inventor
M. Keierman 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 CA236674A publication Critical patent/CA236674A/fr
Expired legal-status Critical Current

Links

CA236674A Dispositif a vide Expired CA236674A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236674T

Publications (1)

Publication Number Publication Date
CA236674A true CA236674A (fr) 1923-12-25

Family

ID=35134048

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236674A Expired CA236674A (fr) Dispositif a vide

Country Status (1)

Country Link
CA (1) CA236674A (fr)

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