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发明名称
PRUEFVORRICHTUNG ZUM NACHWEIS VON GASEN, INSBESONDERE GIFTIGEN GASEN, IN LUFT.
摘要
申请公布号
DE1710385(U)
申请公布日期
1955.11.10
申请号
DE195500D0710U
申请日期
1955.07.14
申请人
DRAEGERWERK, HEINR. & BERNH. DRAEGER
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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