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Patent Searching and Data


Title:
高周波焼入れ用電気抵抗溶接鋼管
Document Type and Number:
Japanese Patent JP4038794
Kind Code:
B2
Inventors:
Kurata Hidetoshi
Yasutaka Okada
Tatsuo Yoshii
Saburo Inoue
Yasuhiko Arii
Application Number:
JP2002358693A
Publication Date:
January 30, 2008
Filing Date:
December 10, 2002
Export Citation:
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Assignee:
Sumitomo Steel Pipe Co., Ltd.
International Classes:
C22C38/00; C22C38/14; C22C38/32
Domestic Patent References:
JP1180899A
Attorney, Agent or Firm:
Takeshi Imai