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发明名称
Abschliessbare Luftpumpe
摘要
申请公布号
DE817086(C)
申请公布日期
1951.11.22
申请号
DED817086
申请日期
1949.05.08
申请人
JOSEF HESSELBEIN, KOELN
发明人
KOELN JOSEF HESSELBEIN,
分类号
B62J11/02
主分类号
B62J11/02
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代理人
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