AT151270B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Tool for the production of metal hoses from smooth-walled pipes by means of helical grooves on the pipe wall.
Assignee: Pforzheim Metallschlauch
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Filing: 1936-10-03
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Granted: 1937-11-10
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Expires: 1956-10-03
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Bibliographic Details
Application Number
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AT
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google_patents
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2026-10-26 18:56
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