CA223751A - Porte a l'epreuve du feu - Google Patents

Porte a l'epreuve du feu

Info

Publication number
CA223751A
CA223751A CA223751A CA223751DA CA223751A CA 223751 A CA223751 A CA 223751A CA 223751 A CA223751 A CA 223751A CA 223751D A CA223751D A CA 223751DA CA 223751 A CA223751 A CA 223751A
Authority
CA
Canada
Prior art keywords
fireproof door
fireproof
door
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
CA223751A
Other languages
English (en)
Inventor
Richard Leonard Elof
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 CA223751A publication Critical patent/CA223751A/fr
Expired legal-status Critical Current

Links

CA223751A Porte a l'epreuve du feu Expired CA223751A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA223751T

Publications (1)

Publication Number Publication Date
CA223751A true CA223751A (fr) 1922-09-19

Family

ID=35119354

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223751A Expired CA223751A (fr) Porte a l'epreuve du feu

Country Status (1)

Country Link
CA (1) CA223751A (fr)

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