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经营范围
发明名称
agente antiespumante de silicone.
摘要
申请公布号
BR0208314(B1)
申请公布日期
2011.05.31
申请号
BR20020008314
申请日期
2002.03.20
申请人
发明人
JIANREN ZENG
分类号
B01D19/04;C08G77/46
主分类号
B01D19/04
代理机构
代理人
主权项
地址
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