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发明名称
Shutter release
摘要
申请公布号
US1835902(A)
申请公布日期
1931.12.08
申请号
US19310530355
申请日期
1931.04.15
申请人
EBERHARDT ROMMEL
发明人
ROMMEL EBERHARDT
分类号
G03B9/58
主分类号
G03B9/58
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