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发明名称
Can opener
摘要
申请公布号
US2532553(A)
申请公布日期
1950.12.05
申请号
US19480036961
申请日期
1948.07.03
申请人
QUAD-CITY ENGINEERING CO.
发明人
JOHNSON BERT H.
分类号
B67B7/48
主分类号
B67B7/48
代理机构
代理人
主权项
地址
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