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发明名称
APPARATUS FOR PIERCING HOLES IN NON-METAL ARTICLES ,PARTICULARLY, ASBESTOS-CONCRETE ONES
摘要
申请公布号
SU992216(A1)
申请公布日期
1983.01.30
申请号
SU19813258665
申请日期
1981.01.09
申请人
SIDOROV ALEKSANDR P,SU
发明人
SIDOROV ALEKSANDR P,SU
分类号
B28D1/28;B28D1/32;(IPC1-7):28D1/28
主分类号
B28D1/28
代理机构
代理人
主权项
地址
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