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经营范围
发明名称
Percolation filter
摘要
申请公布号
US2665811(A)
申请公布日期
1954.01.12
申请号
US19500186328
申请日期
1950.09.23
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
TURKLESON ROBERT E.;SHOWALTER BILLY J.
分类号
B01D35/02;F28D19/02
主分类号
B01D35/02
代理机构
代理人
主权项
地址
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