CA415593A - Vacuum lift device - Google Patents

Vacuum lift device

Info

Publication number
CA415593A
CA415593A CA415593A CA415593DA CA415593A CA 415593 A CA415593 A CA 415593A CA 415593 A CA415593 A CA 415593A CA 415593D A CA415593D A CA 415593DA CA 415593 A CA415593 A CA 415593A
Authority
CA
Canada
Prior art keywords
lift device
vacuum lift
vacuum
lift
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
CA415593A
Other languages
French (fr)
Inventor
L. Nelson William
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.)
Canadian Gypsum Co Ltd
United States Gypsum Co
Original Assignee
Canadian Gypsum Co Ltd
United States Gypsum Co
Publication date
Application granted granted Critical
Publication of CA415593A publication Critical patent/CA415593A/en
Expired legal-status Critical Current

Links

CA415593A Vacuum lift device Expired CA415593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA415593T

Publications (1)

Publication Number Publication Date
CA415593A true CA415593A (en) 1943-10-05

Family

ID=35524804

Family Applications (1)

Application Number Title Priority Date Filing Date
CA415593A Expired CA415593A (en) Vacuum lift device

Country Status (1)

Country Link
CA (1) CA415593A (en)

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