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经营范围
发明名称
VENTIL.
摘要
申请公布号
DE1950911(U)
申请公布日期
1966.12.01
申请号
DE196600D4353U
申请日期
1966.10.20
申请人
JAMES MARTIN DUDLEY
发明人
JAMES MARTIN DUDLEY
分类号
主分类号
代理机构
代理人
主权项
地址
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