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经营范围
发明名称
SOUND GENERATOR
摘要
申请公布号
US3483634(A)
申请公布日期
1969.12.16
申请号
USD3483634
申请日期
1967.04.10
申请人
SINGER GENERAL PRECISION INC.
发明人
LYNN A. STAPLES;ALEXANDER J. URQUHART
分类号
G09B9/22;(IPC1-7):G09B9/08;G08B3/00
主分类号
G09B9/22
代理机构
代理人
主权项
地址
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