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发明名称
POWER-OPERATED ROOF SUPPORT
摘要
申请公布号
SU578466(A1)
申请公布日期
1977.10.30
申请号
SU19752093720
申请日期
1975.01.06
申请人
G PK EXI UGOLNOGO MASH GIPROUGLEMASH
发明人
KHORIN VLADIMIR N,SU;PARAMONOV VADIM ,SU;BERNADSKIJ VLADLEN A,SU;MILOSERDIN MIKHAIL M,SU;GOLDSHTEJN MIKHAIL YA,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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