CA515131A - Treuil de surete - Google Patents

Treuil de surete

Info

Publication number
CA515131A
CA515131A CA515131A CA515131DA CA515131A CA 515131 A CA515131 A CA 515131A CA 515131 A CA515131 A CA 515131A CA 515131D A CA515131D A CA 515131DA CA 515131 A CA515131 A CA 515131A
Authority
CA
Canada
Prior art keywords
safety winch
winch
safety
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
CA515131A
Other languages
English (en)
Inventor
M. Benson Jesse
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 CA515131A publication Critical patent/CA515131A/fr
Expired legal-status Critical Current

Links

CA515131A Treuil de surete Expired CA515131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA515131T

Publications (1)

Publication Number Publication Date
CA515131A true CA515131A (fr) 1955-08-02

Family

ID=35666221

Family Applications (1)

Application Number Title Priority Date Filing Date
CA515131A Expired CA515131A (fr) Treuil de surete

Country Status (1)

Country Link
CA (1) CA515131A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741525A (en) * 1971-12-15 1973-06-26 W Smedley Pump-pulling apparatus for wells

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741525A (en) * 1971-12-15 1973-06-26 W Smedley Pump-pulling apparatus for wells

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