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发明名称
Multiple valve
摘要
申请公布号
US2492149(A)
申请公布日期
1949.12.27
申请号
US19450607243
申请日期
1945.07.26
申请人
HEUVER HERBERT M
发明人
HEUVER HERBERT M.
分类号
F16K7/06
主分类号
F16K7/06
代理机构
代理人
主权项
地址
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