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经营范围
发明名称
Snow shovel
摘要
申请公布号
US2239297(A)
申请公布日期
1941.04.22
申请号
US19390300980
申请日期
1939.10.24
申请人
ALLEN SAMUEL E;KERR CHARLES L
发明人
ALLEN SAMUEL E.;KERR CHARLES L.
分类号
E01H5/02
主分类号
E01H5/02
代理机构
代理人
主权项
地址
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