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经营范围
发明名称
Regenerating sand filters
摘要
申请公布号
GB2064350(A)
申请公布日期
1981.06.17
申请号
GB19790042223
申请日期
1979.12.06
申请人
AIR PRODUCTS & CHEMICALS INC
发明人
分类号
B01D24/16;(IPC1-7):B01D23/24;B01D23/16
主分类号
B01D24/16
代理机构
代理人
主权项
地址
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