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发明名称
Cleaner for rollers of elevating graders
摘要
申请公布号
US1871503(A)
申请公布日期
1932.08.16
申请号
US19310579812
申请日期
1931.12.08
申请人
DUESBERG LOUIS T
发明人
DUESBERG LOUIS T.
分类号
B65G45/14
主分类号
B65G45/14
代理机构
代理人
主权项
地址
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