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经营范围
发明名称
Combination radio-wire recorder
摘要
申请公布号
US2572157(A)
申请公布日期
1951.10.23
申请号
US19470794941
申请日期
1947.12.31
申请人
AIR KING PRODUCTS CO. INC.
发明人
KAY LEOPOLD M.
分类号
G11B25/10;H04B1/20
主分类号
G11B25/10
代理机构
代理人
主权项
地址
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