CA202524A - Appareil de hissage d'echafaud - Google Patents

Appareil de hissage d'echafaud

Info

Publication number
CA202524A
CA202524A CA202524A CA202524DA CA202524A CA 202524 A CA202524 A CA 202524A CA 202524 A CA202524 A CA 202524A CA 202524D A CA202524D A CA 202524DA CA 202524 A CA202524 A CA 202524A
Authority
CA
Canada
Prior art keywords
scaffolds
hoisting apparatus
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
CA202524A
Other languages
English (en)
Inventor
B. Johnston Frank
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.)
AMERICAN SAFETY DEVICE Co
Original Assignee
AMERICAN SAFETY DEVICE Co
Publication date
Application granted granted Critical
Publication of CA202524A publication Critical patent/CA202524A/fr
Expired legal-status Critical Current

Links

CA202524A Appareil de hissage d'echafaud Expired CA202524A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA202524T

Publications (1)

Publication Number Publication Date
CA202524A true CA202524A (fr) 1920-08-03

Family

ID=35076960

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202524A Expired CA202524A (fr) Appareil de hissage d'echafaud

Country Status (1)

Country Link
CA (1) CA202524A (fr)

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