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发明名称
PHOTOGRAPHIC TIMING APPARATUS RESPONSIVE TO OPTICAL DENSITY
摘要
申请公布号
US3545858(A)
申请公布日期
1970.12.08
申请号
USD3545858
申请日期
1968.03.11
申请人
WARREN CHILDERS
发明人
WARREN CHILDERS
分类号
G03B27/80;(IPC1-7):G03B27/76
主分类号
G03B27/80
代理机构
代理人
主权项
地址
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