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发明名称
Optical arrangement for sensing very small particles
摘要
申请公布号
US3248551(A)
申请公布日期
1966.04.26
申请号
US19620232116
申请日期
1962.10.22
申请人
FROMMER JOSEPH C
发明人
FROMMER JOSEPH C.
分类号
G01N15/14;G01N21/53
主分类号
G01N15/14
代理机构
代理人
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地址
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