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发明名称
Ventilating device for fallout shelter
摘要
申请公布号
US3107048(A)
申请公布日期
1963.10.15
申请号
US19610152577
申请日期
1961.11.15
申请人
THE LAN BLOWER COMPANY
发明人
WENTLING WILLIAM H.
分类号
A62B13/00;F04D25/02
主分类号
A62B13/00
代理机构
代理人
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地址
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