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发明名称
TRENCH-FORMING APPARATUS
摘要
申请公布号
SU846664(A1)
申请公布日期
1981.07.15
申请号
SU19792825373
申请日期
1979.10.10
申请人
BELGORODSKIJ T I STROITELNYKH MATERIALOV IM. I.A. GRISHMANOVA
发明人
IVAKHNYUK VILEN A,SU;KALEKIN ALEKSEJ A,SU;KOCHERZHENKO VLADIMIR V,SU;KALYAGIN IGOR A,SU
分类号
E02F5/10;(IPC1-7):E02F5/10
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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