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Title:
A manufacturing method of a cushion spring, and a cushion spring
Document Type and Number:
Japanese Patent JP5976205
Kind Code:
B2
Inventors:
Meng Yamane
Tokuzo Kobayashi
Kengo Tamura
Application Number:
JP2015513475A
Publication Date:
August 23, 2016
Filing Date:
May 07, 2013
Export Citation:
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Assignee:
Bizen Harajuku Co., Ltd.
International Classes:
B21F35/04; A47C7/30; B21F1/00; B60N2/70; F16F1/02; F16F3/02
Domestic Patent References:
JPS3924054B1
JPS504345B11975-02-18
JP2010259685A2010-11-18
JPS5085555A1975-07-10
JPH03118925A1991-05-21
JPS6171138A1986-04-12
JPH01130829A1989-05-23
Foreign References:
FR1063996A1954-05-10
DE1031258B1958-06-04
FR1287791A1962-03-16
Attorney, Agent or Firm:
Toshio Mori
Hirosaburo Mori
Atsushi Kimura
Tomohiko Kurosumi
Hideaki Tanaka



 
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