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发明名称
Optical feed-back densitometer
摘要
申请公布号
US2649834(A)
申请公布日期
1953.08.25
申请号
US19460659457
申请日期
1946.04.04
申请人
GENERAL ANILINE & FILM CORPORATION
发明人
SWEET MONROE HAMILTON
分类号
G01N21/27
主分类号
G01N21/27
代理机构
代理人
主权项
地址
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