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经营范围
发明名称
Mining potassium chloride
摘要
申请公布号
GB1084645(A)
申请公布日期
1967.09.27
申请号
GB19660021270
申请日期
1966.05.13
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
分类号
E21B43/28
主分类号
E21B43/28
代理机构
代理人
主权项
地址
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