CA489864A - Pompe a vide - Google Patents

Pompe a vide

Info

Publication number
CA489864A
CA489864A CA489864A CA489864DA CA489864A CA 489864 A CA489864 A CA 489864A CA 489864 A CA489864 A CA 489864A CA 489864D A CA489864D A CA 489864DA CA 489864 A CA489864 A CA 489864A
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
CA489864A
Other languages
English (en)
Inventor
C. Chandler Bruce
S. Parks Arthur
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.)
SANDWICH R V PUMP CO
Original Assignee
SANDWICH R V PUMP CO
Publication date
Application granted granted Critical
Publication of CA489864A publication Critical patent/CA489864A/fr
Expired legal-status Critical Current

Links

CA489864A Pompe a vide Expired CA489864A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489864T

Publications (1)

Publication Number Publication Date
CA489864A true CA489864A (fr) 1953-01-20

Family

ID=35629593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489864A Expired CA489864A (fr) Pompe a vide

Country Status (1)

Country Link
CA (1) CA489864A (fr)

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