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经营范围
发明名称
Pruefroehrchen zum Nachweis von bestimmten Bestandteilen in Gasen
摘要
申请公布号
DE1037725(B)
申请公布日期
1958.08.28
申请号
DE1952D013346
申请日期
1952.10.14
申请人
DRAEGERWERK, HEINR. & BERNH. DRAEGER
发明人
分类号
G01N21/78;G01N31/22
主分类号
G01N21/78
代理机构
代理人
主权项
地址
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