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经营范围
发明名称
Invalid lifting means
摘要
申请公布号
US2539566(A)
申请公布日期
1951.01.30
申请号
US19480003215
申请日期
1948.01.20
申请人
BEDARD EVA D
发明人
BEDARD EVA D.
分类号
A61G7/10
主分类号
A61G7/10
代理机构
代理人
主权项
地址
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