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发明名称
METHOD AND APPARATUS FOR DETERMINING THE OPACITY OF ATMOSPHERIC POLLUTANTS
摘要
申请公布号
GB2065877(B)
申请公布日期
1983.09.14
申请号
GB19800039802
申请日期
1980.12.12
申请人
GCA CORP
发明人
分类号
G01N21/21;(IPC1-7):G01N21/27
主分类号
G01N21/21
代理机构
代理人
主权项
地址
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