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经营范围
发明名称
ROCK-BREAKING DEVICE
摘要
申请公布号
SU994724(A1)
申请公布日期
1983.02.07
申请号
SU19813306218
申请日期
1981.06.17
申请人
SPETSIALIZIROVANNYJ TREST "UKRMETALLURGREMONT"
发明人
BORISOV VALENTIN M,SU;UVAROV ALEKSANDR I,SU
分类号
E21C37/12;(IPC1-7):E21C37/12
主分类号
E21C37/12
代理机构
代理人
主权项
地址
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