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发明名称
Photoflash synchronizing mechanism
摘要
申请公布号
US2654299(A)
申请公布日期
1953.10.06
申请号
US19500173873
申请日期
1950.07.14
申请人
SAWYER'S INC.
发明人
SMITH GORDON N.
分类号
G03B9/70
主分类号
G03B9/70
代理机构
代理人
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地址
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