CA305173A - Pompe a vide - Google Patents

Pompe a vide

Info

Publication number
CA305173A
CA305173A CA305173A CA305173DA CA305173A CA 305173 A CA305173 A CA 305173A CA 305173 A CA305173 A CA 305173A CA 305173D A CA305173D A CA 305173DA CA 305173 A CA305173 A CA 305173A
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
CA305173A
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 CA305173A publication Critical patent/CA305173A/fr
Expired legal-status Critical Current

Links

CA305173A Pompe a vide Expired CA305173A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA305173T

Publications (1)

Publication Number Publication Date
CA305173A true CA305173A (fr) 1930-10-28

Family

ID=35258321

Family Applications (1)

Application Number Title Priority Date Filing Date
CA305173A Expired CA305173A (fr) Pompe a vide

Country Status (1)

Country Link
CA (1) CA305173A (fr)

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