Title:
犠牲穿孔部付熱処理金属管の製造方法
Document Type and Number:
Japanese Patent JP4369330
Kind Code:
B2
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Inventors:
Satoru Kobayashi
Imoto Takuhiro
Shigechika Iwashita
Imoto Takuhiro
Shigechika Iwashita
Application Number:
JP2004254096A
Publication Date:
November 18, 2009
Filing Date:
September 01, 2004
Export Citation:
Assignee:
Dai-ichi Kogyo Kogyo Co., Ltd.
International Classes:
F16L9/02; F16L43/00
Domestic Patent References:
JP3025418U | ||||
JP57167991U | ||||
JP4143225A | ||||
JP2002060834A | ||||
JP59129727A |
Attorney, Agent or Firm:
Kyozo Norimatsu