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发明名称
FUNCTION GENERATORS
摘要
申请公布号
US3449557(A)
申请公布日期
1969.06.10
申请号
USD3449557
申请日期
1964.01.16
申请人
ELECTRIC & MUSICAL IND. LTD.
发明人
WILLIAM SPENCER PERCIVAL
分类号
G06G7/16;G06G7/24;(IPC1-7):G06F15/34
主分类号
G06G7/16
代理机构
代理人
主权项
地址
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