CA639811A - Vacuum pump - Google Patents

Vacuum pump

Info

Publication number
CA639811A
CA639811A CA639811A CA639811DA CA639811A CA 639811 A CA639811 A CA 639811A CA 639811 A CA639811 A CA 639811A CA 639811D A CA639811D A CA 639811DA CA 639811 A CA639811 A CA 639811A
Authority
CA
Canada
Prior art keywords
vacuum pump
vacuum
pump
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
CA639811A
Inventor
W. Foster Berry
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 CA639811A publication Critical patent/CA639811A/en
Expired legal-status Critical Current

Links

CA639811A Vacuum pump Expired CA639811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA639811T

Publications (1)

Publication Number Publication Date
CA639811A true CA639811A (en) 1962-04-17

Family

ID=35918325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA639811A Expired CA639811A (en) Vacuum pump

Country Status (1)

Country Link
CA (1) CA639811A (en)

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