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经营范围
发明名称
Folding rack or bed frame
摘要
申请公布号
US2541438(A)
申请公布日期
1951.02.13
申请号
US19460707564
申请日期
1946.11.04
申请人
WILLIAM ROSSMAN
发明人
ROSSMAN WILLIAM
分类号
A47C17/46
主分类号
A47C17/46
代理机构
代理人
主权项
地址
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