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发明名称
CONNECTION FOR WASTE EVACUATION PIPES
摘要
申请公布号
GB1542872(A)
申请公布日期
1979.03.28
申请号
GB19760002541
申请日期
1976.01.22
申请人
CENTRE EXP RECH ET BATIMENT TRAVAUX PUBLICS
发明人
分类号
E03C1/122;(IPC1-7):F15D1/02;F16L55/24
主分类号
E03C1/122
代理机构
代理人
主权项
地址
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