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经营范围
发明名称
Rock wool mass
摘要
申请公布号
US2520124(A)
申请公布日期
1950.08.29
申请号
US19460655774
申请日期
1946.03.20
申请人
THE UNITED GAS IMPROVEMENT COMPANY
发明人
CHANEY NEWCOMB K.;JORDAN CLAUDE W.
分类号
B01D39/20
主分类号
B01D39/20
代理机构
代理人
主权项
地址
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