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发明名称
INERTIAL DELAY MEANS FOR EXPOSURE CONTROL APPARATUS
摘要
申请公布号
US3491672(A)
申请公布日期
1970.01.27
申请号
USD3491672
申请日期
1967.04.27
申请人
POLAROID CORP.
发明人
BRUCE K. JOHNSON
分类号
G03B9/16;(IPC1-7):G03B9/00;G03B9/20;G03B9/26
主分类号
G03B9/16
代理机构
代理人
主权项
地址
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