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经营范围
发明名称
Convertible sofa bed
摘要
申请公布号
US2294475(A)
申请公布日期
1942.09.01
申请号
US19390267852
申请日期
1939.04.14
申请人
ABRAHAM J. LEGUM;HYMAN B. LASTING
发明人
MCALLISTER WILLIAM N.
分类号
A47C17/17
主分类号
A47C17/17
代理机构
代理人
主权项
地址
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