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经营范围
发明名称
COUPLING FOR DRAIN PIPES
摘要
申请公布号
SU1441017(A1)
申请公布日期
1988.11.30
申请号
SU19864165225
申请日期
1986.12.19
申请人
AZERB NII GIDROTEKH
发明人
BAJRAMOV MEKHRALI M,SU
分类号
E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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