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经营范围
发明名称
TUNNELLING SHIELD ROTARY WORKING MEMBER
摘要
申请公布号
SU646058(A1)
申请公布日期
1979.02.05
申请号
SU19731869466
申请日期
1973.01.12
申请人
SP K BYURO "MOSSTROJ"
发明人
BLYAKHER LEV A,SU;PAKHOMOV EVGENIJ K,SU;FELDMAN ARTEM E,SU;MARENNYJ YAKOV ,SU
分类号
E21D9/06;E21D9/12;(IPC1-7):E21D9/12
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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