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发明名称
摘要
申请公布号
JPS5835775(B2)
申请公布日期
1983.08.04
申请号
JP19750134950
申请日期
1975.11.10
申请人
TANAKA PRECIOUS METAL IND
发明人
AOKI SEIKICHI
分类号
B26F1/00;B21D28/26;B21D53/16;B21F37/00;B21K1/76
主分类号
B26F1/00
代理机构
代理人
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地址
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