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发明名称
Method of waterproofing paper, cloth or fur and products produced thereby
摘要
申请公布号
US2874075(A)
申请公布日期
1959.02.17
申请号
US19560613600
申请日期
1956.10.03
申请人
PETREN PRODUCTS INC.
发明人
PETRENKO ALEXANDER M.
分类号
C07C51/41;D21H17/14;D21H17/66
主分类号
C07C51/41
代理机构
代理人
主权项
地址
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