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发明名称
METHOD OF PRODUCING HOLES IN SHEET BLANKS
摘要
申请公布号
SU994086(A1)
申请公布日期
1983.02.07
申请号
SU19813342449
申请日期
1981.09.18
申请人
TIMOSHCHENKO VIKTOR A,SU
发明人
TIMOSHCHENKO VIKTOR A,SU
分类号
B21D28/16;B21D31/02;(IPC1-7):B21D28/16
主分类号
B21D28/16
代理机构
代理人
主权项
地址
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