CA474498A - Panneaux de descente et dispositifs de fermeture - Google Patents

Panneaux de descente et dispositifs de fermeture

Info

Publication number
CA474498A
CA474498A CA474498A CA474498DA CA474498A CA 474498 A CA474498 A CA 474498A CA 474498 A CA474498 A CA 474498A CA 474498D A CA474498D A CA 474498DA CA 474498 A CA474498 A CA 474498A
Authority
CA
Canada
Prior art keywords
locking
same
hatch covers
hatch
covers
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
CA474498A
Other languages
English (en)
Inventor
A. Beauchamp Wilfred
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 CA474498A publication Critical patent/CA474498A/fr
Expired legal-status Critical Current

Links

CA474498A Panneaux de descente et dispositifs de fermeture Expired CA474498A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA474498T

Publications (1)

Publication Number Publication Date
CA474498A true CA474498A (fr) 1951-06-12

Family

ID=35608477

Family Applications (1)

Application Number Title Priority Date Filing Date
CA474498A Expired CA474498A (fr) Panneaux de descente et dispositifs de fermeture

Country Status (1)

Country Link
CA (1) CA474498A (fr)

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