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经营范围
发明名称
Sash fastener
摘要
申请公布号
US2676826(A)
申请公布日期
1954.04.27
申请号
US19510236320
申请日期
1951.07.12
申请人
SMITH WILLIAM R
发明人
SMITH WILLIAM R.
分类号
E05F11/00
主分类号
E05F11/00
代理机构
代理人
主权项
地址
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