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发明名称
Reflex shutter
摘要
申请公布号
US2029418(A)
申请公布日期
1936.02.04
申请号
US19330659742
申请日期
1933.03.06
申请人
MAX FRIEDLAND
发明人
FRIEDLAND MAX
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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