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发明名称
Valve device
摘要
申请公布号
US2833301(A)
申请公布日期
1958.05.06
申请号
US19560559887
申请日期
1956.01.18
申请人
WALTER RATNER
发明人
ARGUS WILLIAM
分类号
F16K1/44
主分类号
F16K1/44
代理机构
代理人
主权项
地址
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