CA303416A - Pompe a vide a plusieurs unites - Google Patents

Pompe a vide a plusieurs unites

Info

Publication number
CA303416A
CA303416A CA303416A CA303416DA CA303416A CA 303416 A CA303416 A CA 303416A CA 303416 A CA303416 A CA 303416A CA 303416D A CA303416D A CA 303416DA CA 303416 A CA303416 A CA 303416A
Authority
CA
Canada
Prior art keywords
vacuum pump
multiple unit
unit vacuum
pump
vacuum
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
CA303416A
Other languages
English (en)
Inventor
H. Van Zandt John
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 CA303416A publication Critical patent/CA303416A/fr
Expired legal-status Critical Current

Links

CA303416A Pompe a vide a plusieurs unites Expired CA303416A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA303416T

Publications (1)

Publication Number Publication Date
CA303416A true CA303416A (fr) 1930-08-26

Family

ID=35256562

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303416A Expired CA303416A (fr) Pompe a vide a plusieurs unites

Country Status (1)

Country Link
CA (1) CA303416A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114718916A (zh) * 2022-04-24 2022-07-08 郭兴军 一种使用蒸汽喷射器供汽的节能气体加热系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114718916A (zh) * 2022-04-24 2022-07-08 郭兴军 一种使用蒸汽喷射器供汽的节能气体加热系统
CN114718916B (zh) * 2022-04-24 2023-08-04 郭兴军 一种使用蒸汽喷射器供汽的节能气体加热系统

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