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发明名称
Float operated valve
摘要
申请公布号
US2003380(A)
申请公布日期
1935.06.04
申请号
US19310546764
申请日期
1931.06.25
申请人
MASTERSON FRANK J
发明人
MASTERSON FRANK J.
分类号
F16K31/26
主分类号
F16K31/26
代理机构
代理人
主权项
地址
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