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发明名称
Photographic shutter
摘要
申请公布号
US2130784(A)
申请公布日期
1938.09.20
申请号
US19360077565
申请日期
1936.05.02
申请人
VOIGTLANDER & SOHN AKTIENGESELLSCHAFT
发明人
BARENYI ARPAD
分类号
G03B9/22;G04B31/00
主分类号
G03B9/22
代理机构
代理人
主权项
地址
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