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发明名称
SHIELD ROOF SUPPORT
摘要
申请公布号
SU826007(A1)
申请公布日期
1981.04.30
申请号
SU19772518227
申请日期
1977.08.25
申请人
G PK EXI UGOLNOGO MASHINOSTROENIYA
发明人
GOGIYA IVAN KH,SU;MYSHLYAEV BORIS K,SU;KHORIN VLADIMIR N,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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