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发明名称
APPARATUS FOR PUNCHING HOLES
摘要
申请公布号
SU1031581(A1)
申请公布日期
1983.07.30
申请号
SU19813355220
申请日期
1981.10.28
申请人
SEIN OLEG A,SU
发明人
SEIN OLEG A,SU
分类号
B21D28/26;(IPC1-7):B21D28/26
主分类号
B21D28/26
代理机构
代理人
主权项
地址
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