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发明名称
Holder for mill screens
摘要
申请公布号
US2076297(A)
申请公布日期
1937.04.06
申请号
US19330689971
申请日期
1933.09.18
申请人
WESTERN LAND ROLLER COMPANY
发明人
GRAY GAROLD C. J.
分类号
B02C13/284
主分类号
B02C13/284
代理机构
代理人
主权项
地址
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