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发明名称
SULPHONATION PROCESS
摘要
申请公布号
CA818563(A)
申请公布日期
1969.07.22
申请号
CAD818563
申请日期
申请人
ELECTRIC REDUCTION COMPANY OF CANADA
发明人
AUSTEN E. SOWERBY
分类号
主分类号
代理机构
代理人
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