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发明名称
VERSTAERKER FUER DEN SPRECHFREQUENZBEREICH, INSBESONDERE FUER KOMMANDO-LAUTSPRECHERANLAGEN.
摘要
申请公布号
DE1679860(U)
申请公布日期
1954.07.15
申请号
DE195200S5744U
申请日期
1952.01.25
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
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地址
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