Title:
継目無鋼管の製造方法
Document Type and Number:
Japanese Patent JP4133103
Kind Code:
B2
Inventors:
Yasuhiko Kitani
Application Number:
JP2002237616A
Publication Date:
August 13, 2008
Filing Date:
August 16, 2002
Export Citation:
Assignee:
Sanyo Special Steel Co., Ltd.
International Classes:
B21B19/06; B21B19/02
Domestic Patent References:
JP8066703A | ||||
JP9314206A | ||||
JP64018508A |
Attorney, Agent or Firm:
Shiina Akira
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