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发明名称
SYSTEM FOR CLEARING SNOW AND ICE FROM A SURFACE
摘要
申请公布号
US3612035(A)
申请公布日期
1971.10.12
申请号
USD3612035
申请日期
1970.01.29
申请人
ALBERT KRONEN
发明人
ALBERT KRONEN
分类号
E01C19/20;E01H5/10;(IPC1-7):E01H5/10
主分类号
E01C19/20
代理机构
代理人
主权项
地址
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