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发明名称
UN APARATO PARA LA EMISIoN Y ESCENIFICACIoN SIMULTáNEAS DE DISCOS FONOGRáFICOS.
摘要
申请公布号
ES201700(A1)
申请公布日期
1952.03.16
申请号
ES19000002017
申请日期
1952.02.01
申请人
MANEN MAYOL, PEDRO
发明人
分类号
(IPC1-7):H04
主分类号
(IPC1-7):H04
代理机构
代理人
主权项
地址
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