CA404001A - Mecanisme de levage - Google Patents

Mecanisme de levage

Info

Publication number
CA404001A
CA404001A CA404001A CA404001DA CA404001A CA 404001 A CA404001 A CA 404001A CA 404001 A CA404001 A CA 404001A CA 404001D A CA404001D A CA 404001DA CA 404001 A CA404001 A CA 404001A
Authority
CA
Canada
Prior art keywords
hoisting mechanism
hoisting
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
CA404001A
Other languages
English (en)
Inventor
L. Schwarz Ernest
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.)
Whiting Corp
Original Assignee
Whiting Corp
Publication date
Application granted granted Critical
Publication of CA404001A publication Critical patent/CA404001A/fr
Expired legal-status Critical Current

Links

CA404001A Mecanisme de levage Expired CA404001A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA404001T

Publications (1)

Publication Number Publication Date
CA404001A true CA404001A (fr) 1942-04-07

Family

ID=35415299

Family Applications (1)

Application Number Title Priority Date Filing Date
CA404001A Expired CA404001A (fr) Mecanisme de levage

Country Status (1)

Country Link
CA (1) CA404001A (fr)

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