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发明名称
PUNCHING/COINING METHOD
摘要
申请公布号
JPH02147129(A)
申请公布日期
1990.06.06
申请号
JP19880300119
申请日期
1988.11.28
申请人
SUMITOMO METAL IND LTD
发明人
TAKAGI MICHIO
分类号
B21D22/02;B21D28/34
主分类号
B21D22/02
代理机构
代理人
主权项
地址
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