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发明名称
Bed
摘要
申请公布号
US2004549(A)
申请公布日期
1935.06.11
申请号
US19340721792
申请日期
1934.04.21
申请人
RANDOLPH BOYD
发明人
BOYD RANDOLPH
分类号
A47C19/02
主分类号
A47C19/02
代理机构
代理人
主权项
地址
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