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发明名称
Elektrisches Musikinstrument mit einer Fotozelle
摘要
申请公布号
DE672331(C)
申请公布日期
1939.02.28
申请号
DE1931M117487D
申请日期
1931.11.04
申请人
DIPL.-ING. FRANZ MEISSNER;DR. WOLJA SARAGA
发明人
分类号
G10H3/06
主分类号
G10H3/06
代理机构
代理人
主权项
地址
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