CA172943A - Machine a faire le vide - Google Patents

Machine a faire le vide

Info

Publication number
CA172943A
CA172943A CA000172943A CA172943DA CA172943A CA 172943 A CA172943 A CA 172943A CA 000172943 A CA000172943 A CA 000172943A CA 172943D A CA172943D A CA 172943DA CA 172943 A CA172943 A CA 172943A
Authority
CA
Canada
Prior art keywords
vacuum creating
creating machine
machine
vacuum
creating
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
CA000172943A
Other languages
English (en)
Inventor
John Andrew Belt
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA172943A publication Critical patent/CA172943A/fr
Expired legal-status Critical Current

Links

CA000172943A 1916-03-03 1916-03-03 Machine a faire le vide Expired CA172943A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA172943T 1916-03-03

Publications (1)

Publication Number Publication Date
CA172943A true CA172943A (fr) 1916-11-07

Family

ID=45292596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000172943A Expired CA172943A (fr) 1916-03-03 1916-03-03 Machine a faire le vide

Country Status (1)

Country Link
CA (1) CA172943A (fr)

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