CA213839A - Appareil a fabriquer des tubes soudes a recouvrement - Google Patents

Appareil a fabriquer des tubes soudes a recouvrement

Info

Publication number
CA213839A
CA213839A CA213839A CA213839DA CA213839A CA 213839 A CA213839 A CA 213839A CA 213839 A CA213839 A CA 213839A CA 213839D A CA213839D A CA 213839DA CA 213839 A CA213839 A CA 213839A
Authority
CA
Canada
Prior art keywords
lapwelded
tubes
making
making lapwelded
lapwelded tubes
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
CA213839A
Other languages
English (en)
Inventor
Hewison Matheson James
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 CA213839A publication Critical patent/CA213839A/fr
Expired legal-status Critical Current

Links

CA213839A Appareil a fabriquer des tubes soudes a recouvrement Expired CA213839A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA213839T

Publications (1)

Publication Number Publication Date
CA213839A true CA213839A (fr) 1921-10-18

Family

ID=35108283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA213839A Expired CA213839A (fr) Appareil a fabriquer des tubes soudes a recouvrement

Country Status (1)

Country Link
CA (1) CA213839A (fr)

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