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发明名称
Multivoice unit
摘要
申请公布号
US3093928(A)
申请公布日期
1963.06.18
申请号
US19610089770
申请日期
1961.02.16
申请人
OSTRANDER ROBERT K
发明人
OSTRANDER ROBERT K.
分类号
A63H3/31
主分类号
A63H3/31
代理机构
代理人
主权项
地址
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