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发明名称
IMPROVEMENTS RELATING TO FILTERS
摘要
申请公布号
GB1268163(A)
申请公布日期
1972.03.22
申请号
GB19700012303
申请日期
1970.03.13
申请人
TADASHI HAGIHARA
发明人
TADASHI HAGIHARA
分类号
B01D33/04
主分类号
B01D33/04
代理机构
代理人
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地址
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