Title:
内面螺旋溝付管の製造方法及びその装置
Document Type and Number:
Japanese Patent JP4708820
Kind Code:
B2
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Inventors:
Nobuyuki Azuma
Application Number:
JP2005072289A
Publication Date:
June 22, 2011
Filing Date:
March 15, 2005
Export Citation:
Assignee:
Aisin Light Metal Co., Ltd.
International Classes:
B21C23/10; B21C25/04
Domestic Patent References:
| JP9295040A | ||||
| JP6297032A | ||||
| JP1215408A | ||||
| JP10166033A | ||||
| JP63235020A |
Attorney, Agent or Firm:
Kaichi Otani