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发明名称
Improvements relating to collapsible chairs or seats
摘要
申请公布号
GB505285(A)
申请公布日期
1939.05.09
申请号
GB19370031156
申请日期
1937.11.12
申请人
JOHN RONALD GREG
发明人
分类号
A47C4/12
主分类号
A47C4/12
代理机构
代理人
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