CA481798A - Adjustable metal props - Google Patents

Adjustable metal props

Info

Publication number
CA481798A
CA481798A CA481798A CA481798DA CA481798A CA 481798 A CA481798 A CA 481798A CA 481798 A CA481798 A CA 481798A CA 481798D A CA481798D A CA 481798DA CA 481798 A CA481798 A CA 481798A
Authority
CA
Canada
Prior art keywords
adjustable metal
metal props
props
adjustable
metal
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
CA481798A
Other languages
French (fr)
Inventor
Alfred Clark John
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.)
Acrow Engineers Ltd
Original Assignee
Acrow Engineers Ltd
Publication date
Application granted granted Critical
Publication of CA481798A publication Critical patent/CA481798A/en
Expired legal-status Critical Current

Links

CA481798A Adjustable metal props Expired CA481798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA481798T

Publications (1)

Publication Number Publication Date
CA481798A true CA481798A (en) 1952-03-18

Family

ID=35621486

Family Applications (1)

Application Number Title Priority Date Filing Date
CA481798A Expired CA481798A (en) Adjustable metal props

Country Status (1)

Country Link
CA (1) CA481798A (en)

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