Metal working – Method of mechanical manufacture – Utilizing transitory attached element or associated separate...
Patent
1998-01-21
2000-06-13
Echols, P. W.
Metal working
Method of mechanical manufacture
Utilizing transitory attached element or associated separate...
72 97, 72 42, 72209, B21B 1904, B21B 1740, B21B 4502
Patent
active
060733314
ABSTRACT:
A method for manufacturing a seamless pipe, comprises:
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Ariizumi Takashi
Katsumura Tatsuro
Echols P. W.
Hong John
NKK Corporation
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