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经营范围
发明名称
Null-type radiation analysis system
摘要
申请公布号
GB825509(A)
申请公布日期
1959.12.16
申请号
GB19560029223
申请日期
1956.09.25
申请人
THE PERKIN-ELMER CORPORATION
发明人
分类号
G01N21/37
主分类号
G01N21/37
代理机构
代理人
主权项
地址
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