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经营范围
发明名称
Snow melting apparatus
摘要
申请公布号
US1857603(A)
申请公布日期
1932.05.10
申请号
US19290395354
申请日期
1929.09.26
申请人
JOHN J. PLANETA
发明人
PETERS JOHN RECTOR
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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