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发明名称
Carrying scraper
摘要
申请公布号
US2219478(A)
申请公布日期
1940.10.29
申请号
US19380222622
申请日期
1938.08.02
申请人
BE-GE MANUFACTURING AND WELDING WORKS
发明人
GURRIES ALBERT G.
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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