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经营范围
发明名称
Photoelectrically operated organ
摘要
申请公布号
US2494943(A)
申请公布日期
1950.01.17
申请号
US19460672745
申请日期
1946.05.28
申请人
CHRISTOPHER HOOK
发明人
HOOK CHRISTOPHER
分类号
G10H3/06
主分类号
G10H3/06
代理机构
代理人
主权项
地址
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