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经营范围
发明名称
Paper manufacture
摘要
申请公布号
US1990994(A)
申请公布日期
1935.02.12
申请号
US19330656978
申请日期
1933.02.16
申请人
THE BECKETT PAPER COMPANY
发明人
LUM EDWARD K.
分类号
D21F1/44
主分类号
D21F1/44
代理机构
代理人
主权项
地址
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