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发明名称
Television scanning disk
摘要
申请公布号
US1893676(A)
申请公布日期
1933.01.10
申请号
US19320587914
申请日期
1932.01.21
申请人
MARIS HARRY B
发明人
MARIS HARRY B.
分类号
H04N3/08
主分类号
H04N3/08
代理机构
代理人
主权项
地址
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