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经营范围
发明名称
Nonsiphoning ball cock
摘要
申请公布号
US2664913(A)
申请公布日期
1954.01.05
申请号
US19490102225
申请日期
1949.06.30
申请人
PATTEN WILBERT H
发明人
PATTEN WILBERT H.
分类号
E03C1/10
主分类号
E03C1/10
代理机构
代理人
主权项
地址
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