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发明名称
Papermaking machine
摘要
申请公布号
US2658430(A)
申请公布日期
1953.11.10
申请号
US19500141090
申请日期
1950.01.28
申请人
STEVENS SAMUEL S
发明人
STEVENS SAMUEL S.
分类号
D21F9/04
主分类号
D21F9/04
代理机构
代理人
主权项
地址
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