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发明名称
Key for opening cans
摘要
申请公布号
US2744652(A)
申请公布日期
1956.05.08
申请号
US19530345873
申请日期
1953.03.31
申请人
MCDERMOTT WILFRID J
发明人
MCDERMOTT WILFRID J.
分类号
B67B7/40
主分类号
B67B7/40
代理机构
代理人
主权项
地址
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