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发明名称
Opener
摘要
申请公布号
US2596459(A)
申请公布日期
1952.05.13
申请号
US19460654675
申请日期
1946.03.15
申请人
ALEXANDRESCU ALEXANDER M
发明人
ALEXANDRESCU ALEXANDER M.
分类号
B67B7/44
主分类号
B67B7/44
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