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经营范围
发明名称
CLEANING OF DRY CATALYST BEDS
摘要
申请公布号
ZM16575(A1)
申请公布日期
1977.03.21
申请号
ZM19750000165
申请日期
1975.11.27
申请人
ANACONDA CO
发明人
分类号
B01D46/30;(IPC1-7):D06L/
主分类号
B01D46/30
代理机构
代理人
主权项
地址
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