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经营范围
发明名称
Sink trap plug
摘要
申请公布号
US2528660(A)
申请公布日期
1950.11.07
申请号
US19470753084
申请日期
1947.06.06
申请人
LAVERE THOMAS L
发明人
LAVERE THOMAS L.
分类号
E03C1/308
主分类号
E03C1/308
代理机构
代理人
主权项
地址
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