Title:
内面溝付伝熱管及びその製造方法
Document Type and Number:
Japanese Patent JP4020678
Kind Code:
B2
Inventors:
Takashi Kondo
Naoe Sasaki
Naoe Sasaki
Application Number:
JP2002099695A
Publication Date:
December 12, 2007
Filing Date:
April 02, 2002
Export Citation:
Assignee:
Sumitomo Light Metal Industry Co., Ltd.
International Classes:
F28F1/40; B21C1/22; B21C37/15; B21D13/04; B21D17/04; B21D53/06; F25B39/02; F25B39/04
Domestic Patent References:
| JP8121984A | ||||
| JP2002005588A | ||||
| JP2000205781A | ||||
| JP2002090086A | ||||
| JP2001280882A | ||||
| JP11090530A | ||||
| JP8021695A | ||||
| JP9257383A | ||||
| JP2000310496A |
Attorney, Agent or Firm:
Michio Nakajima
Masahiro Nakashima
Masahiro Nakashima