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发明名称
Variable-speed drive for paper-making machines and the like
摘要
申请公布号
US1776886(A)
申请公布日期
1930.09.30
申请号
US19290334328
申请日期
1929.01.22
申请人
LEVI CHORLTON FRANK OSCAR
发明人
CHORLTON FRANK OSCAR LEVI
分类号
D21F7/02
主分类号
D21F7/02
代理机构
代理人
主权项
地址
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