CA426869A - Appareil a faire le vide - Google Patents

Appareil a faire le vide

Info

Publication number
CA426869A
CA426869A CA426869A CA426869DA CA426869A CA 426869 A CA426869 A CA 426869A CA 426869 A CA426869 A CA 426869A CA 426869D A CA426869D A CA 426869DA CA 426869 A CA426869 A CA 426869A
Authority
CA
Canada
Prior art keywords
producing apparatus
vacuum producing
vacuum
producing
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
CA426869A
Other languages
English (en)
Inventor
J. Stewart Robert
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.)
Crown Cork and Seal Co Inc
Original Assignee
Crown Cork and Seal Co Inc
Publication date
Application granted granted Critical
Publication of CA426869A publication Critical patent/CA426869A/fr
Expired legal-status Critical Current

Links

CA426869A Appareil a faire le vide Expired CA426869A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426869T

Publications (1)

Publication Number Publication Date
CA426869A true CA426869A (fr) 1945-04-17

Family

ID=35537897

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426869A Expired CA426869A (fr) Appareil a faire le vide

Country Status (1)

Country Link
CA (1) CA426869A (fr)

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