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发明名称
Gas filter
摘要
申请公布号
US2070872(A)
申请公布日期
1937.02.16
申请号
US19340758284
申请日期
1934.12.19
申请人
DEVELOPMENT ASSOCIATES, INC.
发明人
STRINDBERG RICHARD
分类号
B01D46/18
主分类号
B01D46/18
代理机构
代理人
主权项
地址
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