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发明名称
Key for opening cans
摘要
申请公布号
US2552961(A)
申请公布日期
1951.05.15
申请号
US19490090227
申请日期
1949.04.28
申请人
GROSSENBACH WALTER F
发明人
GROSSENBACH WALTER F.
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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