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发明名称
POWER SUPPLY ARRANGEMENT FOR AN ELECTROACOUSTIC DEVICE
摘要
申请公布号
PL146655(B2)
申请公布日期
1989.02.28
申请号
PL19860263033
申请日期
1986.12.15
申请人
发明人
分类号
G05F;G05F1/585;(IPC1-7):G05F1/585
主分类号
G05F
代理机构
代理人
主权项
地址
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