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经营范围
发明名称
PAPERMAKING PROCESS
摘要
申请公布号
US5221435(A)
申请公布日期
1993.06.22
申请号
US19910766310
申请日期
1991.09.27
申请人
NALCO CHEMICAL COMPANY
发明人
SMITH, JR., JAMES H.
分类号
D21H17/66;D21H17/67;D21H23/14
主分类号
D21H17/66
代理机构
代理人
主权项
地址
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