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发明名称
Vibrator movement for electric bells
摘要
申请公布号
US2463380(A)
申请公布日期
1949.03.01
申请号
US19460714452
申请日期
1946.12.06
申请人
THE UNITED STATES TIME CORPORATION
发明人
HARRIS WILBUR T.
分类号
G10K1/064
主分类号
G10K1/064
代理机构
代理人
主权项
地址
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