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发明名称
ELEKTROMECHANISCHE WANDLERANORDNUNG, INSBESONDERE HYDROPHON
摘要
申请公布号
DE2131700(B2)
申请公布日期
1972.09.21
申请号
DE19712131700
申请日期
1971.06.25
申请人
发明人
分类号
G10K11/30;(IPC1-7):H04R1/44
主分类号
G10K11/30
代理机构
代理人
主权项
地址
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