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经营范围
发明名称
COLORIMETRISCHES GASDOSIMETER
摘要
申请公布号
DE3137756(A1)
申请公布日期
1982.07.01
申请号
DE19813137756
申请日期
1981.09.23
申请人
MINE SAFETY APPLIANCES CO.
发明人
MCKEE,ELMER;MCCONNAUGHEY,PAUL
分类号
G01N21/77;G01N31/22;(IPC1-7):G01N21/78
主分类号
G01N21/77
代理机构
代理人
主权项
地址
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