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发明名称
Improvements in or relating to spring mattresses
摘要
申请公布号
GB512725(A)
申请公布日期
1939.09.25
申请号
GB19380007753
申请日期
1938.03.12
申请人
ROBERT GARNETT HEAL;STAPLES & COMPANY LIMITED
发明人
分类号
A47C23/32
主分类号
A47C23/32
代理机构
代理人
主权项
地址
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