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发明名称
IMPELLER FOR ROTARY SNOW REMOVAL APPARATUS
摘要
申请公布号
US3452460(A)
申请公布日期
1969.07.01
申请号
USD3452460
申请日期
1966.10.31
申请人
ROPER CORP.
发明人
JOHN M. COPE;JOHN V. WEBSTER
分类号
E01H5/04;(IPC1-7):E01H5/09;B65G31/04
主分类号
E01H5/04
代理机构
代理人
主权项
地址
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