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经营范围
发明名称
Metal surface cleaning
摘要
申请公布号
US2538702(A)
申请公布日期
1951.01.16
申请号
US19440538536
申请日期
1944.06.02
申请人
FREEPORT SULPHUR COMPANY
发明人
NOBLE JAMES HARVEY;POTTBERG ROLFE LLEWELL;TAINTON URLYN CLIFTON
分类号
C23G1/32
主分类号
C23G1/32
代理机构
代理人
主权项
地址
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