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发明名称
Snow melter
摘要
申请公布号
US3270741(A)
申请公布日期
1966.09.06
申请号
US19640400519
申请日期
1964.09.30
申请人
PETLAK JOSEPH J
发明人
PETLAK JOSEPH J.
分类号
E01H5/10
主分类号
E01H5/10
代理机构
代理人
主权项
地址
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