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发明名称
DEVICES FOR GRAMOPHONES WITH AUTOMATIC RECORD-CHANGING MECHANISM WITH ADJUSTABLE TIMES FOR CHANGING TWO RECORDS
摘要
申请公布号
CA475000(A)
申请公布日期
1951.07.03
申请号
CAD475000
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
SVEN GUSTAF FALK
分类号
主分类号
代理机构
代理人
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