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发明名称
Improvements in, or relating to, ventilators
摘要
申请公布号
GB897172(A)
申请公布日期
1962.05.23
申请号
GB19570006653
申请日期
1957.02.28
申请人
HILLS (WEST BROMWICH) LIMITED
发明人
SIMMONS JOHN FRANCIS
分类号
F24F7/02;F24F13/15
主分类号
F24F7/02
代理机构
代理人
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地址
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