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发明名称
METHOD AND DEVICE FOR CENTER-POPPING BLANKS BY MATED SURFACES
摘要
申请公布号
RU1794641(C)
申请公布日期
1993.02.15
申请号
SU19904826059
申请日期
1990.03.27
申请人
ASTAPOV NIKOLAJ A,SU
发明人
ASTAPOV NIKOLAJ A,SU
分类号
G01B5/00;B25D5/00;G01B5/24
主分类号
G01B5/00
代理机构
代理人
主权项
地址
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