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经营范围
发明名称
DEVICE FOR SEALING BUTT JOINTS
摘要
申请公布号
SU699080(A1)
申请公布日期
1979.11.25
申请号
SU19782620994
申请日期
1978.05.30
申请人
UK NII GIDROTEKHNIKI MELIORATSII
发明人
LYAKH NIKOLAJ A,SU;BOGATOV EVGENIJ A,SU;VARVAROV VALERIJ V,SU;ANATSKIJ VIKTOR ,SU
分类号
E01C23/02;(IPC1-7):E01C23/02
主分类号
E01C23/02
代理机构
代理人
主权项
地址
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