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发明名称
Snowplow
摘要
申请公布号
US2219204(A)
申请公布日期
1940.10.22
申请号
US19370157567
申请日期
1937.08.05
申请人
JOSEPH WANDSCHEER
发明人
WANDSCHEER JOSEPH
分类号
E01H5/09
主分类号
E01H5/09
代理机构
代理人
主权项
地址
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