CA305794A - Appareil a fabriquer des tuyaux en beton - Google Patents

Appareil a fabriquer des tuyaux en beton

Info

Publication number
CA305794A
CA305794A CA305794A CA305794DA CA305794A CA 305794 A CA305794 A CA 305794A CA 305794 A CA305794 A CA 305794A CA 305794D A CA305794D A CA 305794DA CA 305794 A CA305794 A CA 305794A
Authority
CA
Canada
Prior art keywords
concrete pipes
manufacturing concrete
manufacturing
pipes
concrete
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
CA305794A
Other languages
English (en)
Inventor
Kuroyanagi Sugajiro
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 CA305794A publication Critical patent/CA305794A/fr
Expired legal-status Critical Current

Links

CA305794A Appareil a fabriquer des tuyaux en beton Expired CA305794A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA305794T

Publications (1)

Publication Number Publication Date
CA305794A true CA305794A (fr) 1930-11-18

Family

ID=35258944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA305794A Expired CA305794A (fr) Appareil a fabriquer des tuyaux en beton

Country Status (1)

Country Link
CA (1) CA305794A (fr)

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