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发明名称
Lydtransducersystem med indstillelig retningskarakteristik
摘要
申请公布号
DK1317869(T3)
申请公布日期
2006.11.06
申请号
DK20010975031T
申请日期
2001.09.12
申请人
VAN DER WERFF, JOHAN
发明人
VAN DER WERFF, JOHAN
分类号
H04R1/40;H04R3/12
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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