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经营范围
发明名称
Absperrvorrichtung
摘要
申请公布号
DE506092(C)
申请公布日期
1930.08.29
申请号
DE1929G077815D
申请日期
1929.10.31
申请人
A.M. GUERCIN
发明人
分类号
F16K25/04
主分类号
F16K25/04
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代理人
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