CA312656A - Tuyau a double-paroi - Google Patents

Tuyau a double-paroi

Info

Publication number
CA312656A
CA312656A CA312656A CA312656DA CA312656A CA 312656 A CA312656 A CA 312656A CA 312656 A CA312656 A CA 312656A CA 312656D A CA312656D A CA 312656DA CA 312656 A CA312656 A CA 312656A
Authority
CA
Canada
Prior art keywords
double wall
wall pipe
pipe
double
wall
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
CA312656A
Other languages
English (en)
Inventor
Thomas Truax William
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.)
United States Register Co
Original Assignee
United States Register Co
Publication date
Application granted granted Critical
Publication of CA312656A publication Critical patent/CA312656A/fr
Expired legal-status Critical Current

Links

CA312656A Tuyau a double-paroi Expired CA312656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA312656T

Publications (1)

Publication Number Publication Date
CA312656A true CA312656A (fr) 1931-06-23

Family

ID=35271982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312656A Expired CA312656A (fr) Tuyau a double-paroi

Country Status (1)

Country Link
CA (1) CA312656A (fr)

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