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经营范围
发明名称
Flush ventilator
摘要
申请公布号
US2397684(A)
申请公布日期
1946.04.02
申请号
US19430481834
申请日期
1943.04.05
申请人
SAFETY BOAT COMPANY
发明人
NELSON FRED N.
分类号
B63J2/10
主分类号
B63J2/10
代理机构
代理人
主权项
地址
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