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AU111111B2 - Improvements in helically coiled welded seam metal pipes andin the process of manufacture thereof - Google Patents

Improvements in helically coiled welded seam metal pipes andin the process of manufacture thereof

Info

Publication number
AU111111B2
AU111111B2 AU3387/39A AU338739A AU111111B2 AU 111111 B2 AU111111 B2 AU 111111B2 AU 3387/39 A AU3387/39 A AU 3387/39A AU 338739 A AU338739 A AU 338739A AU 111111 B2 AU111111 B2 AU 111111B2
Authority
AU
Australia
Prior art keywords
andin
manufacture
metal pipes
welded seam
helically coiled
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
AU3387/39A
Other versions
AU338739A (en
Inventor
Williams Ralph
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU338739A publication Critical patent/AU338739A/en
Publication of AU111111B2 publication Critical patent/AU111111B2/en
Expired legal-status Critical Current

Links

AU3387/39A 1939-07-22 Improvements in helically coiled welded seam metal pipes andin the process of manufacture thereof Expired AU111111B2 (en)

Publications (2)

Publication Number Publication Date
AU338739A AU338739A (en) 1940-08-01
AU111111B2 true AU111111B2 (en) 1940-08-01

Family

ID=

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