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发明名称
SOFA BED
摘要
申请公布号
CA508957(A)
申请公布日期
1955.01.11
申请号
CAD508957
申请日期
申请人
RICHARD G. STEIN
发明人
RICHARD G. STEIN
分类号
主分类号
代理机构
代理人
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