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发明名称
Lautstaerkeregelbares elektromagnetisches Laeutewerk,insbesondere fuer Fernsprechapparate
摘要
申请公布号
DE1537673(B2)
申请公布日期
1970.08.20
申请号
DE19671537673
申请日期
1967.07.28
申请人
SIGNALAPP FABRIK JULIUS KRAECK
发明人
DIETER PLATOW DIPL-ING;SCHULZ MANFRED
分类号
G10K1/064
主分类号
G10K1/064
代理机构
代理人
主权项
地址
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