CA400929A - Vacuum preventer - Google Patents

Vacuum preventer

Info

Publication number
CA400929A
CA400929A CA400929A CA400929DA CA400929A CA 400929 A CA400929 A CA 400929A CA 400929 A CA400929 A CA 400929A CA 400929D A CA400929D A CA 400929DA CA 400929 A CA400929 A CA 400929A
Authority
CA
Canada
Prior art keywords
vacuum preventer
preventer
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
CA400929A
Other languages
French (fr)
Inventor
Wiegand Strode Victor
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
Publication date
Application granted granted Critical
Publication of CA400929A publication Critical patent/CA400929A/en
Expired legal-status Critical Current

Links

CA400929A Vacuum preventer Expired CA400929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA400929T

Publications (1)

Publication Number Publication Date
CA400929A true CA400929A (en) 1941-11-25

Family

ID=35411375

Family Applications (1)

Application Number Title Priority Date Filing Date
CA400929A Expired CA400929A (en) Vacuum preventer

Country Status (1)

Country Link
CA (1) CA400929A (en)

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