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发明名称
Hand-assembled fabric covered buttons
摘要
申请公布号
US2930093(A)
申请公布日期
1960.03.29
申请号
US19550548937
申请日期
1955.11.25
申请人
JOHN DRITZ & SONS
发明人
DRITZ ARTHUR
分类号
A44B1/12
主分类号
A44B1/12
代理机构
代理人
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