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发明名称
Can opener
摘要
申请公布号
US1921911(A)
申请公布日期
1933.08.08
申请号
US19320621281
申请日期
1932.07.07
申请人
MARCEL DARQUE ETIENNE
发明人
DARQUE ETIENNE MARCEL
分类号
B67B7/46
主分类号
B67B7/46
代理机构
代理人
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