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发明名称
Pick-up
摘要
申请公布号
FR948283(A)
申请公布日期
1949.07.27
申请号
FRD948283
申请日期
1947.06.21
申请人
HERMANN THORENS
发明人
分类号
H04R9/12
主分类号
H04R9/12
代理机构
代理人
主权项
地址
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