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发明名称
Improvements in closing devices for paper bags and similar containers
摘要
申请公布号
GB505987(A)
申请公布日期
1939.05.18
申请号
GB19370031787
申请日期
1937.11.18
申请人
FRIEDRICH SCHAEFER
发明人
分类号
B65D77/12
主分类号
B65D77/12
代理机构
代理人
主权项
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