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经营范围
发明名称
SUCTION PIPE
摘要
申请公布号
SU815162(A2)
申请公布日期
1981.03.23
申请号
SU19792722042
申请日期
1979.02.08
申请人
DO POLT INSTITUT
发明人
GRUBA VLADIMIR ,SU;MORGUNOV VIKTOR M,SU;NIKULIN EDUARD K,SU
分类号
E02F3/92;(IPC1-7):E02F3/92
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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