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发明名称
METHOD OF PROVIDING NATURAL-ROCK ROOF SUPPORT
摘要
申请公布号
SU625043(A1)
申请公布日期
1978.09.25
申请号
SU19762415634
申请日期
1976.10.27
申请人
MAKEEVSKIJ INZH-STR INSTITUT
发明人
ZASLAVSKIJ YULIJ Z,SU;DRUZHKO EVGENIJ B,SU;KACHAN IGOR V,SU;STRELTSOV EVGENIJ V,SU
分类号
E21D11/00;(IPC1-7):E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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