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发明名称
Absperrorgan fuer aetzende Fluessigkeiten
摘要
申请公布号
DE503301(C)
申请公布日期
1930.07.25
申请号
DE1929J037662D
申请日期
1929.04.16
申请人
PAUL JULIEN
发明人
分类号
F16K27/02
主分类号
F16K27/02
代理机构
代理人
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