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发明名称
PROCEDIMIENTO Y APARATO PARA LA OBTENCION DE ELEMENTOS LIGE-ROS Y PRODUCTOS AISLANTES TERMICOS Y ACUSTICOS.
摘要
申请公布号
ES449071(A1)
申请公布日期
1977.11.16
申请号
ES19710004490
申请日期
1976.06.21
申请人
SANTOS PIAZZA EUST.DE LO
发明人
分类号
C04B;E04B;(IPC1-7):04B/;04B/
主分类号
C04B
代理机构
代理人
主权项
地址
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