CA318857A - Pompe a vide - Google Patents

Pompe a vide

Info

Publication number
CA318857A
CA318857A CA318857A CA318857DA CA318857A CA 318857 A CA318857 A CA 318857A CA 318857 A CA318857 A CA 318857A CA 318857D A CA318857D A CA 318857DA CA 318857 A CA318857 A CA 318857A
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
CA318857A
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 CA318857A publication Critical patent/CA318857A/fr
Expired legal-status Critical Current

Links

CA318857A Pompe a vide Expired CA318857A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA318857T

Publications (1)

Publication Number Publication Date
CA318857A true CA318857A (fr) 1932-01-12

Family

ID=35279412

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318857A Expired CA318857A (fr) Pompe a vide

Country Status (1)

Country Link
CA (1) CA318857A (fr)

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