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发明名称
Can opener
摘要
申请公布号
US2933215(A)
申请公布日期
1960.04.19
申请号
US19570641927
申请日期
1957.02.25
申请人
HOYT HARVEY C
发明人
HOYT HARVEY C.
分类号
B67B7/40
主分类号
B67B7/40
代理机构
代理人
主权项
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