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发明名称
Valve
摘要
申请公布号
US2123020(A)
申请公布日期
1938.07.05
申请号
US19350003494
申请日期
1935.01.25
申请人
PHILLIPS HARRY A
发明人
PHILLIPS HARRY A.
分类号
F25B41/06
主分类号
F25B41/06
代理机构
代理人
主权项
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