Title:
螺旋状内面溝付管及びその製造方法
Document Type and Number:
Japanese Patent JP3743342
Kind Code:
B2
Inventors:
Masahiro Kiyoto
Suzuki Yoshio
Tadao Otani
Suzuki Yoshio
Tadao Otani
Application Number:
JP2001324532A
Publication Date:
February 08, 2006
Filing Date:
October 23, 2001
Export Citation:
Assignee:
Hitachi Cable Ltd.
International Classes:
F28F1/40; B21C1/22; B21C3/16; B21C37/20; B21D17/04
Domestic Patent References:
| JP2003088913A | ||||
| JP4262818A | ||||
| JP59097724A | ||||
| JP62197215A | ||||
| JP58212815A | ||||
| JP54039353A | ||||
| JP2002301514A |