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发明名称
Air-filter oils
摘要
申请公布号
GB767002(A)
申请公布日期
1957.01.30
申请号
GB19520029043
申请日期
1952.11.17
申请人
CALIFORNIA RESEARCH CORPORATION
发明人
分类号
B01D47/00;C10M143/02;F02B3/06
主分类号
B01D47/00
代理机构
代理人
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地址
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