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发明名称
NEUTRALISATION OF SPENT ACID FROM SULPHATION/SULPHONATION PROCESS
摘要
申请公布号
GB8326420(D0)
申请公布日期
1983.11.02
申请号
GB19830026420
申请日期
1983.10.03
申请人
UNILEVER PLC
发明人
分类号
主分类号
代理机构
代理人
主权项
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