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发明名称
Snow-packing machine
摘要
申请公布号
US1796166(A)
申请公布日期
1931.03.10
申请号
US19290412827
申请日期
1929.12.09
申请人
SHARP JAMES A
发明人
SHARP JAMES A.
分类号
E01H4/00
主分类号
E01H4/00
代理机构
代理人
主权项
地址
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