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发明名称
DISPOSICAO CONSTRUTIVA EM ESCADA DE ABRIR
摘要
申请公布号
BR6702957(U)
申请公布日期
1989.08.08
申请号
BR1987MU02957U
申请日期
1987.12.31
申请人
VULCAO S/A. INDUSTRIAS METALURGICAS E PLASTICAS
发明人
OLIVIO D'ASSUMPCAO FERREIRA FILHO
分类号
E06C1/14;(IPC1-7):E06C1/14
主分类号
E06C1/14
代理机构
代理人
主权项
地址
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