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经营范围
发明名称
Snow chute
摘要
An apparatus for removing snow from the surface of a pitched roof.
申请公布号
US2013161152(A1)
申请公布日期
2013.06.27
申请号
US201213573869
申请日期
2012.10.09
申请人
WING ALEX J
发明人
WING ALEX J
分类号
B65G11/10
主分类号
B65G11/10
代理机构
代理人
主权项
地址
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