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发明名称
A new or improved expansion ring closure device, particularly intended for the lids of casks or the like
摘要
申请公布号
GB367285(A)
申请公布日期
1932.02.18
申请号
GB19310018872
申请日期
1931.06.30
申请人
FRIED. KRUPP AKTIENGESELLSCHAFT
发明人
分类号
B65D45/34
主分类号
B65D45/34
代理机构
代理人
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