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经营范围
发明名称
Direct reading analytical spectroscope
摘要
申请公布号
US2751811(A)
申请公布日期
1956.06.26
申请号
US19490118352
申请日期
1949.09.28
申请人
VREELAND CORPORATION
发明人
VREELAND FREDERICK K.
分类号
G01J3/28
主分类号
G01J3/28
代理机构
代理人
主权项
地址
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