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发明名称
MEJORAS EN CONTACTO PARA TECLADOS TELEFONICOS
摘要
申请公布号
MX148300(A)
申请公布日期
1983.04.07
申请号
MX19800184891
申请日期
1980.11.25
申请人
AMPER, S.A.
发明人
CESAR RICO GONZALEZ
分类号
H04M1/02;(IPC1-7):04M1/02
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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