CA252376A - Pompe a vide - Google Patents

Pompe a vide

Info

Publication number
CA252376A
CA252376A CA252376A CA252376DA CA252376A CA 252376 A CA252376 A CA 252376A CA 252376 A CA252376 A CA 252376A CA 252376D A CA252376D A CA 252376DA CA 252376 A CA252376 A CA 252376A
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
CA252376A
Other languages
English (en)
Inventor
H. Hapgood Cyrus
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.)
De Laval Separator Co
Original Assignee
De Laval Separator Co
Publication date
Application granted granted Critical
Publication of CA252376A publication Critical patent/CA252376A/fr
Expired legal-status Critical Current

Links

CA252376A Pompe a vide Expired CA252376A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA252376T

Publications (1)

Publication Number Publication Date
CA252376A true CA252376A (fr) 1925-08-04

Family

ID=35159350

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252376A Expired CA252376A (fr) Pompe a vide

Country Status (1)

Country Link
CA (1) CA252376A (fr)

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