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经营范围
发明名称
Improvements in or relating to water filtration
摘要
申请公布号
GB833327(A)
申请公布日期
1960.04.21
申请号
GB19550007018
申请日期
1955.03.10
申请人
ELSIE SMITH
发明人
分类号
B01D24/16;B01D39/04
主分类号
B01D24/16
代理机构
代理人
主权项
地址
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