CA342746A - Trappe en acier coule - Google Patents

Trappe en acier coule

Info

Publication number
CA342746A
CA342746A CA342746A CA342746DA CA342746A CA 342746 A CA342746 A CA 342746A CA 342746 A CA342746 A CA 342746A CA 342746D A CA342746D A CA 342746DA CA 342746 A CA342746 A CA 342746A
Authority
CA
Canada
Prior art keywords
cast steel
drop door
steel drop
door
cast
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
CA342746A
Other languages
English (en)
Inventor
A. Lamont John
Frederick A. Lorenz, Jr.
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 Steel Foundries
Original Assignee
American Steel Foundries
Publication date
Application granted granted Critical
Publication of CA342746A publication Critical patent/CA342746A/fr
Expired legal-status Critical Current

Links

CA342746A Trappe en acier coule Expired CA342746A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA342746T

Publications (1)

Publication Number Publication Date
CA342746A true CA342746A (fr) 1934-07-03

Family

ID=35314020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA342746A Expired CA342746A (fr) Trappe en acier coule

Country Status (1)

Country Link
CA (1) CA342746A (fr)

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