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发明名称
ARRANGEMENT FOR LOADING PIECE STONE BLOCKS
摘要
申请公布号
SU608941(A1)
申请公布日期
1978.05.30
申请号
SU19721819921
申请日期
1972.08.08
申请人
PETROSYAN GENRI A,SU
发明人
PETROSYAN GENRI A,SU
分类号
E21C47/10;(IPC1-7):E21C47/10
主分类号
E21C47/10
代理机构
代理人
主权项
地址
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