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发明名称
DISPOSITIVO DE DIBUJO DE BLOQUES-DIAGRAMAS, EDIFICIOS Y PIEZAS INDUSTRIALES CON TRAZO CONTINUO.
摘要
申请公布号
ES381982(A1)
申请公布日期
1973.01.16
申请号
ES19820003819
申请日期
1970.07.20
申请人
PEREZ SAEZ
发明人
分类号
B43L;(IPC1-7):43L/
主分类号
B43L
代理机构
代理人
主权项
地址
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