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经营范围
发明名称
SULPHUR PRODUCTION
摘要
申请公布号
US3447903(A)
申请公布日期
1969.06.03
申请号
USD3447903
申请日期
1966.10.27
申请人
FREEPORT SULPHUR CO.
发明人
TADEUSZ K. WIEWIOROWSKI
分类号
C01B17/04;C01B17/05;(IPC1-7):C01B17/04
主分类号
C01B17/04
代理机构
代理人
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