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发明名称
PUNCHING METHOD
摘要
申请公布号
JPH0929351(A)
申请公布日期
1997.02.04
申请号
JP19950209017
申请日期
1995.07.25
申请人
AIDA ENG LTD
发明人
KOMATSU ISAMU
分类号
B21D28/02;B21D28/14;B21D28/20;B30B15/28;(IPC1-7):B21D28/02
主分类号
B21D28/02
代理机构
代理人
主权项
地址
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