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发明名称
Electromagnetic camera shutter synchronizer
摘要
申请公布号
US2523660(A)
申请公布日期
1950.09.26
申请号
US19450596025
申请日期
1945.05.26
申请人
HEILAND RESEARCH CORPORATION
发明人
HULSTEIN NEAL S.
分类号
G03B9/70
主分类号
G03B9/70
代理机构
代理人
主权项
地址
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