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发明名称
PERFECCIONAMIENTOS CONCERNIENTES A LOS INSTRUMENTOS DE ESCRITURA CUYO oRGANO DE ESCRITURA ES ESCAMOTEABLE
摘要
申请公布号
ES225287(A1)
申请公布日期
1956.01.16
申请号
ES19870002252
申请日期
1955.11.29
申请人
GASTON REGNAULT, EDMOND
发明人
分类号
(IPC1-7):B43
主分类号
(IPC1-7):B43
代理机构
代理人
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