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发明名称
Valve
摘要
申请公布号
US2217835(A)
申请公布日期
1940.10.15
申请号
US19380235671
申请日期
1938.10.18
申请人
WILLIAM C. BIDDLE
发明人
JR. ELBERT A. CORBIN,
分类号
F16K3/24
主分类号
F16K3/24
代理机构
代理人
主权项
地址
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