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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN LAS SUPERFICIES SELECTI- VAS DE LOS COLECTORES SOLARES.
摘要
申请公布号
ES461590(A1)
申请公布日期
1978.07.01
申请号
ES19900004615
申请日期
1977.08.12
申请人
TORRENS RASAL JOSE MARIA
发明人
分类号
F24J;F28D;(IPC1-7):F24J/;F28D/
主分类号
F24J
代理机构
代理人
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