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发明名称
Multiple blade light interrupting shutter
摘要
申请公布号
US2513702(A)
申请公布日期
1950.07.04
申请号
US19480051568
申请日期
1948.09.28
申请人
RADIO CORPORATION
发明人
ANDREWS DALLAS R.
分类号
G03B9/10
主分类号
G03B9/10
代理机构
代理人
主权项
地址
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