Title:
内面潤滑油及びこれを使用する内面溝付管の製造方法
Document Type and Number:
Japanese Patent JP3749166
Kind Code:
B2
Inventors:
Kiyonori Ozeki
Akinori Tsuchiya
Akinori Tsuchiya
Application Number:
JP2001391899A
Publication Date:
February 22, 2006
Filing Date:
December 25, 2001
Export Citation:
Assignee:
Kobelco Material Copper Tube Co., Ltd.
International Classes:
B21C1/22; F28F1/40; B21C9/00; B21D17/04; B21D53/06; B21H3/00
Domestic Patent References:
| JP2001347312A | ||||
| JP2001074384A | ||||
| JP61286018A |
Attorney, Agent or Firm:
Masanori Fujimaki