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经营范围
发明名称
OIL SWEEP
摘要
申请公布号
US4052306(A)
申请公布日期
1977.10.04
申请号
US19760731464
申请日期
1976.10.12
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
SCHWARTZ, MICHAEL G.;LORENTZEN, ALAN P.;BUCHECK, DAVID J.
分类号
E02B15/04;E02B15/06;(IPC1-7):E02B15/04
主分类号
E02B15/04
代理机构
代理人
主权项
地址
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