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经营范围
发明名称
Adjustable back rest
摘要
申请公布号
US2491154(A)
申请公布日期
1949.12.13
申请号
US19450616899
申请日期
1945.09.17
申请人
OFFICE FURNITURE & FIXTURES, INC.
发明人
BLAZEY LAWRENCE E.
分类号
A47C7/40
主分类号
A47C7/40
代理机构
代理人
主权项
地址
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