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经营范围
发明名称
Separable fastener
摘要
申请公布号
US1900390(A)
申请公布日期
1933.03.07
申请号
US19310547590
申请日期
1931.06.29
申请人
SIERS JOHN A H
发明人
SIERS JOHN A. H.
分类号
A44B19/04
主分类号
A44B19/04
代理机构
代理人
主权项
地址
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