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经营范围
发明名称
Metal working emulsion
摘要
申请公布号
USRE31242(E)
申请公布日期
1983.05.17
申请号
US19810285295
申请日期
1981.07.20
申请人
发明人
分类号
C10M173/00
主分类号
C10M173/00
代理机构
代理人
主权项
地址
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