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发明名称
Can opener
摘要
申请公布号
US2458254(A)
申请公布日期
1949.01.04
申请号
US19470743615
申请日期
1947.04.24
申请人
COLE FRED B
发明人
COLE FRED B.
分类号
主分类号
代理机构
代理人
主权项
地址
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