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发明名称
Float valve
摘要
申请公布号
US2524699(A)
申请公布日期
1950.10.03
申请号
US19460690997
申请日期
1946.08.16
申请人
JOSEPH FRIEDL
发明人
FRIEDL JOSEPH
分类号
F16K33/00
主分类号
F16K33/00
代理机构
代理人
主权项
地址
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