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发明名称
Folding closure
摘要
申请公布号
US2799332(A)
申请公布日期
1957.07.16
申请号
US19530334277
申请日期
1953.01.30
申请人
LENARD SCHEFF
发明人
SCHEFF LENARD
分类号
E06B3/94
主分类号
E06B3/94
代理机构
代理人
主权项
地址
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