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发明名称
COUPLING FOR DRAINAGE SYSTEM
摘要
申请公布号
AU506677(B2)
申请公布日期
1980.01.17
申请号
AU19770025455
申请日期
1976.05.24
申请人
POWELL, LEO JAMES AND TELFORD, JILLIAN ADELE
发明人
L.J. POWELL
分类号
E04D13/064;E04D13/068;E04D13/08
主分类号
E04D13/064
代理机构
代理人
主权项
地址
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