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经营范围
发明名称
Capela exaustora de gases
摘要
申请公布号
BR9703209(A)
申请公布日期
1998.12.22
申请号
BR1997PI03209
申请日期
1997.04.15
申请人
CRESPO DE ALVARENGA JOSE RENATO
发明人
DE ALVARENGA JOSE RENATO CRESPO
分类号
E04H1/12;(IPC1-7):E04H1/12
主分类号
E04H1/12
代理机构
代理人
主权项
地址
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