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发明名称
HINGE CONSTRUCTION FOR TOILET SEATS
摘要
申请公布号
CA454423(A)
申请公布日期
1949.02.01
申请号
CAD454423
申请日期
申请人
SPERZEL COMPANY
发明人
PETER J. SPERZEL
分类号
主分类号
代理机构
代理人
主权项
地址
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