Title:
溝形状断面鋼材の加熱・冷却による曲げ加工方法
Document Type and Number:
Japanese Patent JP4315624
Kind Code:
B2
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| JP6429675 | Washer manufacturing method |
Inventors:
Takeshi Hirasawa
Application Number:
JP2001337623A
Publication Date:
August 19, 2009
Filing Date:
November 02, 2001
Export Citation:
Assignee:
jfe building materials corporation
International Classes:
B21D11/20
Domestic Patent References:
| JP4322824A | ||||
| JP494657A | ||||
| JP2000237826A | ||||
| JP11179428A |
Attorney, Agent or Firm:
Hiroshi Sugimoto
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Kimihiro Hoshi
Hiroyasu Ninomiya
Shuichi Sumiyoshi
Einzel Felix-Reinhard
Takaho Kawawa
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Kimihiro Hoshi
Hiroyasu Ninomiya
Shuichi Sumiyoshi
Einzel Felix-Reinhard
Takaho Kawawa