CA477529A - Lifting devices - Google Patents

Lifting devices

Info

Publication number
CA477529A
CA477529A CA477529A CA477529DA CA477529A CA 477529 A CA477529 A CA 477529A CA 477529 A CA477529 A CA 477529A CA 477529D A CA477529D A CA 477529DA CA 477529 A CA477529 A CA 477529A
Authority
CA
Canada
Prior art keywords
lifting devices
lifting
devices
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
CA477529A
Other languages
French (fr)
Inventor
Madland Thorvald
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.)
Youngstown Steel Door Co
Original Assignee
Youngstown Steel Door Co
Publication date
Application granted granted Critical
Publication of CA477529A publication Critical patent/CA477529A/en
Expired legal-status Critical Current

Links

CA477529A Lifting devices Expired CA477529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477529T

Publications (1)

Publication Number Publication Date
CA477529A true CA477529A (en) 1951-10-02

Family

ID=35617176

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477529A Expired CA477529A (en) Lifting devices

Country Status (1)

Country Link
CA (1) CA477529A (en)

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