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经营范围
发明名称
Backrest for toilet seats
摘要
申请公布号
US2582321(A)
申请公布日期
1952.01.15
申请号
US19470787789
申请日期
1947.11.24
申请人
FARRELL LURA B
发明人
FARRELL LURA B.
分类号
A47K17/02
主分类号
A47K17/02
代理机构
代理人
主权项
地址
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