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发明名称
Snowplow and hitch
摘要
申请公布号
US1746947(A)
申请公布日期
1930.02.11
申请号
US19260157038
申请日期
1926.12.27
申请人
ENTERPRISE HOLDING COMPANY
发明人
JOHNSON JOHN O.
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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