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经营范围
发明名称
Geraet zur Gasdichtebestimmung
摘要
申请公布号
DE663079(C)
申请公布日期
1938.07.28
申请号
DE1936S121535D
申请日期
1936.02.14
申请人
SIEMENS APPARATE;MASCHINEN G.M.B.H.
发明人
SINGELMANN DIPL.-ING. DIETRICH
分类号
G01N9/34
主分类号
G01N9/34
代理机构
代理人
主权项
地址
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