アルミニウム管の製造方法

Title:

アルミニウム管の製造方法

Document Type and Number:

Japanese Patent JP4938540

Kind Code:

B2

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Inventors:

Gaku Yamamoto

Application Number:

JP2007116771A

Publication Date:

May 23, 2012

Filing Date:

April 26, 2007

Export Citation:

Assignee:

SHOWA DENKO K.K.

International Classes:

B21C35/03; B21D3/04; B24B21/02; G03G5/00; G03G5/10

Domestic Patent References:

Attorney, Agent or Firm:

Hisayoshi Shimizu
Ken Takada
Yoshihito Shimizu

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