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发明名称
Modulation system for electrical musical instrument
摘要
申请公布号
US2818760(A)
申请公布日期
1958.01.07
申请号
US19530382544
申请日期
1953.09.28
申请人
SPENCER JAMES M
发明人
SPENCER JAMES M.
分类号
G10H1/04;H03C3/28
主分类号
G10H1/04
代理机构
代理人
主权项
地址
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