Title:
継目無鋼管の製造方法
Document Type and Number:
Japanese Patent JP4517811
Kind Code:
B2
Inventors:
Kitamura Yasufumi
Tetsuya Nakanishi
Yasushi Kubo
Tetsuya Nakanishi
Yasushi Kubo
Application Number:
JP2004299573A
Publication Date:
August 04, 2010
Filing Date:
October 14, 2004
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21B19/04
Domestic Patent References:
| JP1293909A | ||||
| JP2002361384A | ||||
| JP2004090088A | ||||
| JP1228603A |
Attorney, Agent or Firm:
Michio Mori