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发明名称
Flash light operating device
摘要
申请公布号
US1979942(A)
申请公布日期
1934.11.06
申请号
US19320647366
申请日期
1932.12.15
申请人
LEROY JOHNSON EVERARD;WILLARD COMFORT HORACE
发明人
JOHNSON EVERARD LEROY;COMFORT HORACE WILLARD
分类号
G03B15/04
主分类号
G03B15/04
代理机构
代理人
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地址
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