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发明名称
Tank valve
摘要
申请公布号
US1939544(A)
申请公布日期
1933.12.12
申请号
US19320594677
申请日期
1932.02.23
申请人
EDWARDS WILLIAM K
发明人
EDWARDS WILLIAM K.
分类号
F16K31/32
主分类号
F16K31/32
代理机构
代理人
主权项
地址
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