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发明名称
VORRICHTUNG ZUM NACHWEIS VON METHAN IN LUFT ODER ANDEREN GASEN.
摘要
申请公布号
DE1776222(U)
申请公布日期
1958.10.23
申请号
DE19581776222U
申请日期
1958.10.23
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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