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发明名称
摘要
申请公布号
JP2989033(B2)
申请公布日期
1999.12.13
申请号
JP19910127797
申请日期
1991.05.30
申请人
SHOWA ARUMINIUMU KK
发明人
ENOMOTO MASATOSHI;SATO SHOICHI
分类号
B21D26/14;B21D39/04;B23K20/06;(IPC1-7):B21D39/04
主分类号
B21D26/14
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