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经营范围
发明名称
DROP TRAP
摘要
申请公布号
SU874208(A1)
申请公布日期
1981.10.23
申请号
SU19802901516
申请日期
1980.03.28
申请人
VNII NERUDNYKH STROITELNYKH MATERIALOV GIDROMEKHANIZATSII
发明人
OLEJNIK EVGENIJ I,SU;SOBOLEV VENIAMIN A,SU;STEPOVAYA NADEZHDA I,SU;KLIMOVSKIJ VLADIMIR P,SU
分类号
B04C9/00;(IPC1-7):B04C9/00
主分类号
B04C9/00
代理机构
代理人
主权项
地址
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