Title:
継手パイプの加工方法
Document Type and Number:
Japanese Patent JP4044207
Kind Code:
B2
Inventors:
Hiroshi Watanabe
Application Number:
JP11606798A
Publication Date:
February 06, 2008
Filing Date:
April 09, 1998
Export Citation:
Assignee:
Watanabe Manufacturing Co., Ltd.
International Classes:
B21H7/14; B21D51/16
Domestic Patent References:
| JP9174189A | ||||
| JP5007951A |
Attorney, Agent or Firm:
Toshio Hirayama