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经营范围
发明名称
VENTIL
摘要
申请公布号
NO921245(D0)
申请公布日期
1992.03.31
申请号
NO19920001245
申请日期
1992.03.31
申请人
HANSEN, HARRY O.
发明人
HANSEN, HARRY O.
分类号
F16K;(IPC1-7):F16K/
主分类号
F16K
代理机构
代理人
主权项
地址
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