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发明名称
Pick-up phonographique
摘要
申请公布号
FR986662(A)
申请公布日期
1951.08.03
申请号
FRD986662
申请日期
1943.12.03
申请人
发明人
BERETZKI DANIEL-RENE
分类号
H04R17/04
主分类号
H04R17/04
代理机构
代理人
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