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发明名称
Can opener
摘要
申请公布号
US2491844(A)
申请公布日期
1949.12.20
申请号
US19460692958
申请日期
1946.08.26
申请人
WURTZEBACH LORENZ E
发明人
WURTZEBACH LORENZ E.
分类号
主分类号
代理机构
代理人
主权项
地址
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