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发明名称
Gas valve
摘要
申请公布号
US2162231(A)
申请公布日期
1939.06.13
申请号
US19380203208
申请日期
1938.04.20
申请人
THE W. J. SCHOENBERGER COMPANY
发明人
SCHOENBERGER ROBERT E.
分类号
F16K5/10
主分类号
F16K5/10
代理机构
代理人
主权项
地址
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