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发明名称
Button remover
摘要
申请公布号
US2659141(A)
申请公布日期
1953.11.17
申请号
US19500175095
申请日期
1950.07.21
申请人
LUDGEWAIT ARTHUR E
发明人
LUDGEWAIT ARTHUR E.
分类号
A41H31/00
主分类号
A41H31/00
代理机构
代理人
主权项
地址
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