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经营范围
发明名称
Universal nursing stand
摘要
申请公布号
US1820420(A)
申请公布日期
1931.08.25
申请号
US19290346763
申请日期
1929.03.13
申请人
CALVEN AERICK
发明人
AERICK CALVEN
分类号
A61J9/06
主分类号
A61J9/06
代理机构
代理人
主权项
地址
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