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经营范围
发明名称
Electromagnetic recorder
摘要
申请公布号
US3014179(A)
申请公布日期
1961.12.19
申请号
US19580729851
申请日期
1958.04.21
申请人
VYZKUMNY A ZKUSELINI LETECKY USTAV
发明人
DUBSKY BORIVOJ;STRAKA OLDRICH
分类号
主分类号
代理机构
代理人
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