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发明名称
APPARATUS FOR CAVING-IN BRIDGES OF LOOSE MATERIAL
摘要
申请公布号
SU1002195(A2)
申请公布日期
1983.03.07
申请号
SU19813370322
申请日期
1981.12.24
申请人
NI GORNORUDNYJ INSTITUT
发明人
FADEEVA LIDIYA S,SU;KOTKOVA ANTONINA V,SU;DERNOVOJ NIKOLAJ A,SU
分类号
B65D88/64;(IPC1-7):B65D88/64
主分类号
B65D88/64
代理机构
代理人
主权项
地址
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