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经营范围
发明名称
MOVABLE UNRELIEVED ROOF SUPPORT
摘要
申请公布号
SU800382(A2)
申请公布日期
1981.01.30
申请号
SU19792754072
申请日期
1979.04.16
申请人
VNI PK UGOLNYJ INSTITUT
发明人
SARDOV ANATOLIJ ,SU;MILLER KURT O,SU;EJDELSHTEJN IOSIF A,SU;ASOSKOV ANATOLIJ A,SU;RUSYAJKIN IVAN P,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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