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经营范围
发明名称
Inner spring mattress
摘要
申请公布号
US2029076(A)
申请公布日期
1936.01.28
申请号
US19330669708
申请日期
1933.05.06
申请人
LEEMAN EDWARD D
发明人
LEEMAN EDWARD D.
分类号
A47C27/06
主分类号
A47C27/06
代理机构
代理人
主权项
地址
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