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发明名称
Vorrichtung zum selbsttaetigen proportionalen Dosieren von fluessigen oder gasfoermigen Chemikalien
摘要
申请公布号
DE524249(C)
申请公布日期
1931.05.05
申请号
DE1928O017149D
申请日期
1928.02.19
申请人
DR. GEORG ORNSTEIN
发明人
分类号
C02F1/68;C02F1/76
主分类号
C02F1/68
代理机构
代理人
主权项
地址
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