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发明名称
Can opener
摘要
申请公布号
US1993683(A)
申请公布日期
1935.03.05
申请号
US19340724160
申请日期
1934.05.05
申请人
DAVID ROBERTS LEWIS
发明人
ROBERTS LEWIS DAVID
分类号
主分类号
代理机构
代理人
主权项
地址
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