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经营范围
发明名称
Dirt tamper
摘要
申请公布号
US2299918(A)
申请公布日期
1942.10.27
申请号
US19410408862
申请日期
1941.08.29
申请人
MOELLENKAMP EMILE W
发明人
MOELLENKAMP EMILE W.
分类号
E02D3/046
主分类号
E02D3/046
代理机构
代理人
主权项
地址
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