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发明名称
Improvements in or relating to spring mattress bearer bars and spring mattresses incorporating mattress bearer bars
摘要
申请公布号
GB589746(A)
申请公布日期
1947.06.27
申请号
GB19470002962
申请日期
1944.11.21
申请人
MORRIS MATTHEW FREEDLAND
发明人
分类号
A47C23/05
主分类号
A47C23/05
代理机构
代理人
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