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发明名称
PROCESSO DE ENDURECIMENTO DE PECAS FABRICADAS COM PEDRA SABAO
摘要
申请公布号
BR7017919(D0)
申请公布日期
1973.01.18
申请号
BR19700217919
申请日期
1970.04.01
申请人
COLASANTI H
发明人
COLASANTI H
分类号
主分类号
代理机构
代理人
主权项
地址
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