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发明名称
Float valve
摘要
申请公布号
US1982062(A)
申请公布日期
1934.11.27
申请号
US19330702048
申请日期
1933.12.12
申请人
MATTHEWS JAMES W
发明人
MATTHEWS JAMES W.
分类号
F16K31/22
主分类号
F16K31/22
代理机构
代理人
主权项
地址
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