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发明名称
PROCEDIMIENTO DE OBTENCIËN DE AISLANTE TERMOACUSTICO
摘要
申请公布号
ES234825(A1)
申请公布日期
1957.10.01
申请号
ES19250002348
申请日期
1957.04.11
申请人
ROSELLE BELTRAN, MANUEL
发明人
分类号
E04C;(IPC1-7):E04C
主分类号
E04C
代理机构
代理人
主权项
地址
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