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发明名称
Improvements in and relating to photo-electrically operated organs
摘要
申请公布号
GB593297(A)
申请公布日期
1947.10.14
申请号
GB19450014036
申请日期
1945.06.04
申请人
CHRISTOPHER HOOK
发明人
分类号
G10B1/04
主分类号
G10B1/04
代理机构
代理人
主权项
地址
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