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发明名称
Improvements relating to coil spring assemblies
摘要
申请公布号
GB806631(A)
申请公布日期
1958.12.31
申请号
GB19570004580
申请日期
1957.02.11
申请人
REST ASSURED MATTRESS COMPANY LIMITED
发明人
GREENWOOD WILLIAM CLIFFORD
分类号
A47C23/053
主分类号
A47C23/053
代理机构
代理人
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