CA177520A - Machine a fabriquer des tuyqaux en beton - Google Patents

Machine a fabriquer des tuyqaux en beton

Info

Publication number
CA177520A
CA177520A CA000177520A CA177520DA CA177520A CA 177520 A CA177520 A CA 177520A CA 000177520 A CA000177520 A CA 000177520A CA 177520D A CA177520D A CA 177520DA CA 177520 A CA177520 A CA 177520A
Authority
CA
Canada
Prior art keywords
concrete pipe
pipe machine
machine
concrete
pipe
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
CA000177520A
Other languages
English (en)
Inventor
Charles Johnston
Sydney Charles Vinen
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA177520A publication Critical patent/CA177520A/fr
Expired legal-status Critical Current

Links

CA000177520A 1917-03-12 1917-03-12 Machine a fabriquer des tuyqaux en beton Expired CA177520A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA177520T 1917-03-12

Publications (1)

Publication Number Publication Date
CA177520A true CA177520A (fr) 1917-06-12

Family

ID=45297173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000177520A Expired CA177520A (fr) 1917-03-12 1917-03-12 Machine a fabriquer des tuyqaux en beton

Country Status (1)

Country Link
CA (1) CA177520A (fr)

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