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发明名称
Improvements in or relating to the purification of air
摘要
申请公布号
GB501534(A)
申请公布日期
1939.02.28
申请号
GB19370023753
申请日期
1937.08.31
申请人
ALBERT HIRTH A.-G.
发明人
分类号
F02M35/04
主分类号
F02M35/04
代理机构
代理人
主权项
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