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发明名称
Automatic filter wash control
摘要
申请公布号
US1892951(A)
申请公布日期
1933.01.03
申请号
US19310560198
申请日期
1931.08.29
申请人
GENERAL ZEOLITE CO.
发明人
HUGHES WALTER J.
分类号
B01D35/00;B01D37/04
主分类号
B01D35/00
代理机构
代理人
主权项
地址
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