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发明名称
ACOUSTICAL SOUND PRODUCER FOR CLOCKS, ESPECIALLY FOR WRISTWATCHES
摘要
<p>A sound producer for a watch with a pin of ferromagnetic material attached to the watch crystal and directly excited by an electromagnetic system.</p>
申请公布号
CA1011562(A)
申请公布日期
1977.06.07
申请号
CA19740204004
申请日期
1974.07.04
申请人
TIMEX CORPORATION
发明人
SODLER, WALTER E.F.
分类号
G04C21/02;G04G13/02
主分类号
G04C21/02
代理机构
代理人
主权项
地址
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