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发明名称
Switch valve
摘要
申请公布号
US1854918(A)
申请公布日期
1932.04.19
申请号
US19270241668
申请日期
1927.12.21
申请人
TRUMBLE GAS TRAP CO.
发明人
ADAMS ROYAL C.
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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