Title:
インターロック管の製造方法
Document Type and Number:
Japanese Patent JP5054293
Kind Code:
B2
Inventors:
Masao Taira
Application Number:
JP2005220349A
Publication Date:
October 24, 2012
Filing Date:
July 29, 2005
Export Citation:
Assignee:
Hirotec Co., Ltd.
International Classes:
B23K10/00; B21C37/12; B21D13/10; B21D51/12; B23K26/02; B23K26/38
Domestic Patent References:
| JP6070970U | ||||
| JP9155584A | ||||
| JP1284424A | ||||
| JP60056112U | ||||
| JP59120366A |
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Etsuo Tada