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发明名称
Valve
摘要
申请公布号
US3257094(A)
申请公布日期
1966.06.21
申请号
US19620191024
申请日期
1962.04.30
申请人
VISCHER JR ALFRED
发明人
JR. ALFRED VISCHER,
分类号
F16K31/04
主分类号
F16K31/04
代理机构
代理人
主权项
地址
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