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经营范围
发明名称
Oil thickeners
摘要
申请公布号
GB728684(A)
申请公布日期
1955.04.27
申请号
GB19520026403
申请日期
1952.10.21
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
STEVENS WILLIAM HENRY
分类号
H01B3/22
主分类号
H01B3/22
代理机构
代理人
主权项
地址
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