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发明名称
Hydraulic felt conditioner or the like
摘要
申请公布号
US1859508(A)
申请公布日期
1932.05.24
申请号
US19300452477
申请日期
1930.05.14
申请人
HARRIS JOHN L
发明人
HARRIS JOHN L.
分类号
D21F1/32
主分类号
D21F1/32
代理机构
代理人
主权项
地址
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