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经营范围
发明名称
Protection of heat transfer media
摘要
申请公布号
US2485542(A)
申请公布日期
1949.10.25
申请号
US19450574611
申请日期
1945.01.25
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
ABRAMS ARMAND J.
分类号
C09K5/12
主分类号
C09K5/12
代理机构
代理人
主权项
地址
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