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发明名称
MANUFACTURE OF PUNCH FOR MAKING SPINNING HOLE
摘要
申请公布号
JPH0394931(A)
申请公布日期
1991.04.19
申请号
JP19890233163
申请日期
1989.09.08
申请人
TANAKA KIKINZOKU KOGYO KK
发明人
SHIMURA SHINICHIRO;OSAWA KAZUMI
分类号
B21D28/34
主分类号
B21D28/34
代理机构
代理人
主权项
地址
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