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发明名称
COLLAPSIBLE PERAMBULATOR
摘要
申请公布号
CA463350(A)
申请公布日期
1950.02.21
申请号
CAD463350
申请日期
申请人
UNDERWOODS PATENTS LTD.
发明人
HAROLD JACK UNDERWOOD
分类号
主分类号
代理机构
代理人
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