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发明名称
Bathtub protector
摘要
申请公布号
US2510933(A)
申请公布日期
1950.06.06
申请号
US19490106159
申请日期
1949.07.22
申请人
ROACH WALTER J
发明人
ROACH WALTER J.
分类号
A47K3/00
主分类号
A47K3/00
代理机构
代理人
主权项
地址
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