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发明名称
Picture hanger
摘要
申请公布号
US3020013(A)
申请公布日期
1962.02.06
申请号
US19590802415
申请日期
1959.03.27
申请人
ZEIL OCHIN;GRISER LAWRENCE P
发明人
OCHIN ZEIL;GRISER LAWRENCE P.
分类号
A47G1/21
主分类号
A47G1/21
代理机构
代理人
主权项
地址
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