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发明名称
Improvements in or relating to electrical musical instruments
摘要
申请公布号
GB803292(A)
申请公布日期
1958.10.22
申请号
GB19550032611
申请日期
1955.11.15
申请人
VEB WERK FUR FERNMELDEWESEN
发明人
SCHREIBER ERNST
分类号
G10H1/18
主分类号
G10H1/18
代理机构
代理人
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