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经营范围
发明名称
COLOUR INDICATOR
摘要
申请公布号
EP0098381(A3)
申请公布日期
1985.10.16
申请号
EP19830105158
申请日期
1983.05.25
申请人
GRUEN, UDO
发明人
GRUEN, UDO
分类号
B01D46/42;F24C15/20;(IPC1-7):F24C15/20;B01D46/44
主分类号
B01D46/42
代理机构
代理人
主权项
地址
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