CA442380A - Mecanisme de levage - Google Patents

Mecanisme de levage

Info

Publication number
CA442380A
CA442380A CA442380A CA442380DA CA442380A CA 442380 A CA442380 A CA 442380A CA 442380 A CA442380 A CA 442380A CA 442380D A CA442380D A CA 442380DA CA 442380 A CA442380 A CA 442380A
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
CA442380A
Other languages
English (en)
Inventor
J. Brown Arthur
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 CA442380A publication Critical patent/CA442380A/fr
Expired legal-status Critical Current

Links

CA442380A Mecanisme de levage Expired CA442380A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442380T

Publications (1)

Publication Number Publication Date
CA442380A true CA442380A (fr) 1947-06-17

Family

ID=35557607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442380A Expired CA442380A (fr) Mecanisme de levage

Country Status (1)

Country Link
CA (1) CA442380A (fr)

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