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发明名称
Power supply system
摘要
申请公布号
US2297498(A)
申请公布日期
1942.09.29
申请号
US19400339479
申请日期
1940.06.08
申请人
JOHANNES PRAST
发明人
PRAST JOHANNES
分类号
H04N3/185
主分类号
H04N3/185
代理机构
代理人
主权项
地址
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