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发明名称
Process for softening paper
摘要
申请公布号
US2268674(A)
申请公布日期
1942.01.06
申请号
US19390294135
申请日期
1939.09.09
申请人
THE RICHARDS CHEMICAL WORKS, INCORPORATED
发明人
ROTH MURRAY H.
分类号
D21H17/07
主分类号
D21H17/07
代理机构
代理人
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地址
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