CA321840A - Appareil a encocher les blocs - Google Patents

Appareil a encocher les blocs

Info

Publication number
CA321840A
CA321840A CA321840A CA321840DA CA321840A CA 321840 A CA321840 A CA 321840A CA 321840 A CA321840 A CA 321840A CA 321840D A CA321840D A CA 321840DA CA 321840 A CA321840 A CA 321840A
Authority
CA
Canada
Prior art keywords
scoring apparatus
block scoring
block
scoring
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
CA321840A
Other languages
English (en)
Inventor
Trotter Fred
Swanson Arthur
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.)
Canadian Gypsum Co Ltd
Original Assignee
Canadian Gypsum Co Ltd
Publication date
Application granted granted Critical
Publication of CA321840A publication Critical patent/CA321840A/fr
Expired legal-status Critical Current

Links

CA321840A Appareil a encocher les blocs Expired CA321840A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA321840T

Publications (1)

Publication Number Publication Date
CA321840A true CA321840A (fr) 1932-04-26

Family

ID=35282393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA321840A Expired CA321840A (fr) Appareil a encocher les blocs

Country Status (1)

Country Link
CA (1) CA321840A (fr)

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