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经营范围
发明名称
OIL RECOVERY APPARATUS
摘要
申请公布号
GB1522803(A)
申请公布日期
1978.08.31
申请号
GB19750010602
申请日期
1975.03.13
申请人
NATIONAL RESEARCH DEVELOPMENT CORP
发明人
分类号
E02B15/04;(IPC1-7):B63B35/32
主分类号
E02B15/04
代理机构
代理人
主权项
地址
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