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发明名称
CELOSIA DE VENTILACION CONSTITUIDA POR ELEMENTOS NORMALIZA-DOS.
摘要
申请公布号
ES137814(Y)
申请公布日期
1970.01.01
申请号
ES19680137814U
申请日期
1968.03.27
申请人
KLEIN
发明人
分类号
E06B
主分类号
E06B
代理机构
代理人
主权项
地址
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