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发明名称
Manufacture of paper
摘要
申请公布号
US1892472(A)
申请公布日期
1932.12.27
申请号
US19300440645
申请日期
1930.03.31
申请人
RAFFOLD PROCESS CORPORATION
发明人
RAFTON HAROLD ROBERT
分类号
D21H17/64;D21H17/67;D21H23/14
主分类号
D21H17/64
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