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发明名称
Shutter adjustment
摘要
申请公布号
US1957174(A)
申请公布日期
1934.05.01
申请号
US19310527760
申请日期
1931.04.04
申请人
INTERNATIONAL PROJECTOR CORPORATION
发明人
KINDELMANN ALBERT;BOECKING EWALD
分类号
G03B9/10
主分类号
G03B9/10
代理机构
代理人
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地址
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