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发明名称
SCREEN BAR
摘要
申请公布号
US3591096(A)
申请公布日期
1971.07.06
申请号
USD3591096
申请日期
1969.02.12
申请人
PENNSYLVANIA CRUSHER CORP.
发明人
RALPH R. DEFEO
分类号
B02C13/284;(IPC1-7):B02C13/13;B02C13/28
主分类号
B02C13/284
代理机构
代理人
主权项
地址
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