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发明名称
WORKING-FACE UNIT FOR DRILLING LARGE-DIAMETER HOLES
摘要
申请公布号
SU1177490(A1)
申请公布日期
1985.09.07
申请号
SU19833650335
申请日期
1983.10.03
申请人
VNII BUROVOJ TEKHNIKI
发明人
POPOV ALEKSANDR N,SU;LI SAMDYK CH,SU;RYBALKA ANATOLIJ A,SU;LIBERMAN VLADIMIR I,SU
分类号
E21D1/06;(IPC1-7):E21D1/06
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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