CA329628A - Pompe a vide - Google Patents

Pompe a vide

Info

Publication number
CA329628A
CA329628A CA329628A CA329628DA CA329628A CA 329628 A CA329628 A CA 329628A CA 329628 A CA329628 A CA 329628A CA 329628D A CA329628D A CA 329628DA CA 329628 A CA329628 A CA 329628A
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
CA329628A
Other languages
English (en)
Inventor
David N. Crosthwait, Jr.
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.)
C A DUNHAM Co
Original Assignee
C A DUNHAM Co
Publication date
Application granted granted Critical
Publication of CA329628A publication Critical patent/CA329628A/fr
Expired legal-status Critical Current

Links

CA329628A Pompe a vide Expired CA329628A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA329628T

Publications (1)

Publication Number Publication Date
CA329628A true CA329628A (fr) 1933-01-24

Family

ID=35291997

Family Applications (1)

Application Number Title Priority Date Filing Date
CA329628A Expired CA329628A (fr) Pompe a vide

Country Status (1)

Country Link
CA (1) CA329628A (fr)

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