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经营范围
发明名称
Demountable baby walker
摘要
申请公布号
US2636546(A)
申请公布日期
1953.04.28
申请号
US19490085684
申请日期
1949.04.05
申请人
FRUITMAN FRANK W
发明人
FRUITMAN FRANK W.
分类号
A47D13/04
主分类号
A47D13/04
代理机构
代理人
主权项
地址
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