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发明名称
Saugstoßlüfter.
摘要
申请公布号
AT149032(B)
申请公布日期
1937.03.25
申请号
ATD149032
申请日期
1935.12.09
申请人
FLETTNERLUEFTER-GESELLSCHAFT M. B. H.
发明人
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主分类号
代理机构
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