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发明名称
Filter control valve
摘要
申请公布号
US2532177(A)
申请公布日期
1950.11.28
申请号
US19480034621
申请日期
1948.06.23
申请人
MAUNULA OTTO A
发明人
MAUNULA OTTO A.
分类号
B01D27/00;B01D29/11;B01D35/14
主分类号
B01D27/00
代理机构
代理人
主权项
地址
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