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发明名称
CHILD'S WALKER CONVERTIBLE TO A ROCKING CHAIR
摘要
申请公布号
CA642532(A)
申请公布日期
1962.06.12
申请号
CAD642532
申请日期
申请人
WILLIAM S. DUNCAN
发明人
WILLIAM S. DUNCAN
分类号
主分类号
代理机构
代理人
主权项
地址
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