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发明名称
Paper product and method of making the same
摘要
申请公布号
US1803643(A)
申请公布日期
1931.05.05
申请号
US19280304168
申请日期
1928.09.05
申请人
RAFFOLD PROCESS CORPORATION
发明人
RAFTON HAROLD ROBERT
分类号
D21H17/66;D21H17/67
主分类号
D21H17/66
代理机构
代理人
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