Title:
リング製造方法と、その装置
Document Type and Number:
Japanese Patent JP5199500
Kind Code:
B1
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Inventors:
Masaki Takahashi
Application Number:
JP2012102417A
Publication Date:
May 15, 2013
Filing Date:
April 27, 2012
Export Citation:
Assignee:
Heather Kinaya Co., Ltd.
International Classes:
B44C3/04; A44C27/00; B21C37/14; B21C37/16; B21D53/16; B23K20/00; B44C3/02; B21D53/44
Domestic Patent References:
JP4593690B1 | 2010-12-08 | |||
JP4642153B1 | 2011-03-02 |
Attorney, Agent or Firm:
Masahiro Matsushita