Title:
内面溝付管の加工方法
Document Type and Number:
Japanese Patent JP3780432
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:
JP6150097A
Publication Date:
May 31, 2006
Filing Date:
March 14, 1997
Export Citation:
Assignee:
Kobelco Material Copper Tube Co., Ltd.
International Classes:
B21C1/22; F28F1/40; B21C3/08; B21C3/16; B21C37/20; B21H3/00
Domestic Patent References:
| JP62263821A | ||||
| JP857529A | ||||
| JP57920A |
Attorney, Agent or Firm:
Masanori Fujimaki