Title:
内面溝付管の加工方法
Document Type and Number:
Japanese Patent JP3747302
Kind Code:
B2
Inventors:
Nobuaki Hinako
Saeki main tax
Mamoru Ishikawa
Kiyonori Ozeki
Tetsuo Uchida
Saeki main tax
Mamoru Ishikawa
Kiyonori Ozeki
Tetsuo Uchida
Application Number:
JP11291297A
Publication Date:
February 22, 2006
Filing Date:
April 30, 1997
Export Citation:
Assignee:
Kobelco Material Copper Tube Co., Ltd.
International Classes:
B21H3/00; F28F1/40; B21C1/22; B21C3/16; B21C37/20; B21D53/06
Domestic Patent References:
| JP6015345A |
Attorney, Agent or Firm:
Masanori Fujimaki
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