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发明名称
Skalamekanisme.
摘要
申请公布号
DK55036(C)
申请公布日期
1938.08.01
申请号
DKD55036
申请日期
1937.04.17
申请人
ZENITH RADIO CORPORATION
发明人
分类号
主分类号
代理机构
代理人
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