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经营范围
发明名称
Extensible bedstead
摘要
申请公布号
US1817666(A)
申请公布日期
1931.08.04
申请号
US19270195223
申请日期
1927.05.31
申请人
SIMMONS COMPANY
发明人
BAYER MATTHEW F.
分类号
A47C17/32
主分类号
A47C17/32
代理机构
代理人
主权项
地址
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