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经营范围
发明名称
Sicherheits-Absperrvorrichtung für Gasleitungen.
摘要
申请公布号
CH194275(A)
申请公布日期
1937.11.30
申请号
CHD194275
申请日期
1937.03.08
申请人
GUTMANN,OTTO
发明人
GUTMANN,OTTO
分类号
主分类号
代理机构
代理人
主权项
地址
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