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发明名称
Combined book support and carrier
摘要
申请公布号
US3041774(A)
申请公布日期
1962.07.03
申请号
US19600073734
申请日期
1960.12.05
申请人
WALKER CHARLES R
发明人
WALKER CHARLES R.
分类号
A45F5/12;A47B23/04
主分类号
A45F5/12
代理机构
代理人
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地址
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