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经营范围
发明名称
Scraper and loader
摘要
申请公布号
US2341007(A)
申请公布日期
1944.02.08
申请号
US19420450735
申请日期
1942.07.13
申请人
EDWIN WOMMER
发明人
WOMMER EDWIN
分类号
E02F3/64
主分类号
E02F3/64
代理机构
代理人
主权项
地址
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