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经营范围
发明名称
Float operated switch and fluid dispensing conduit
摘要
申请公布号
US2692923(A)
申请公布日期
1954.10.26
申请号
US19500160079
申请日期
1950.05.04
申请人
WILLIAM ASH
发明人
ASH WILLIAM
分类号
B67C3/22
主分类号
B67C3/22
代理机构
代理人
主权项
地址
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