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发明名称
Intermittent projector movement
摘要
申请公布号
US2497915(A)
申请公布日期
1950.02.21
申请号
US19480019921
申请日期
1948.04.09
申请人
RUDOLPH SMID
发明人
SMID RUDOLPH
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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