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发明名称
Snowbank cutter
摘要
申请公布号
US2115790(A)
申请公布日期
1938.05.03
申请号
US19370143418
申请日期
1937.05.19
申请人
SLEEPER SANBORN C;DU PRAS LOUIS
发明人
SLEEPER SANBORN C.;PRAS LOUIS DU
分类号
E01H5/07
主分类号
E01H5/07
代理机构
代理人
主权项
地址
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