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发明名称
Vorrichtung zur Herstellung eines Schwebstoffilters
摘要
申请公布号
DE670451(C)
申请公布日期
1939.01.19
申请号
DED670451D
申请日期
申请人
DRAEGERWERK HEINR. U. BERNH. DRAEGER
发明人
分类号
A62B23/00
主分类号
A62B23/00
代理机构
代理人
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地址
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