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发明名称
ELEMENTOS FILTRANTES PARA BOCAS DE RESPIRADOUROS
摘要
申请公布号
BR5501495(U)
申请公布日期
1977.08.09
申请号
BR19750001495U
申请日期
1975.12.22
申请人
VIDRARIA SANTA MARINA CO
发明人
WULKAN S
分类号
(IPC1-7):B01D25/04
主分类号
(IPC1-7):B01D25/04
代理机构
代理人
主权项
地址
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