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发明名称
Paper holder for drafting board
摘要
申请公布号
US3132440(A)
申请公布日期
1964.05.12
申请号
US19620184980
申请日期
1962.04.04
申请人
MULLANEY THOMAS J
发明人
MULLANEY THOMAS J.
分类号
B43L5/02
主分类号
B43L5/02
代理机构
代理人
主权项
地址
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