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发明名称
Manufacture of paper
摘要
申请公布号
US1813362(A)
申请公布日期
1931.07.07
申请号
US19300436651
申请日期
1930.03.17
申请人
RAFFOLD PROCESS CORPORATION
发明人
RAFTON HAROLD ROBERT
分类号
D21C5/02
主分类号
D21C5/02
代理机构
代理人
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地址
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