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发明名称
Method and an apparatus for manufacturing a metallic bellows
摘要
申请公布号
US4996857(A)
申请公布日期
1991.03.05
申请号
US19900510595
申请日期
1990.04.18
申请人
NHK SPRING CO., LTD.
发明人
KAGEYAMA, KENICHI;OHKOSHI, KAZUO;FURUYAMA, TSUTOMU
分类号
B21D15/10
主分类号
B21D15/10
代理机构
代理人
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