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发明名称
Improvements in fastening devices
摘要
申请公布号
GB486209(A)
申请公布日期
1938.06.01
申请号
GB19360035019
申请日期
1936.12.21
申请人
MAY SPEAR;GLADYS SKLUTH
发明人
分类号
A44B19/22;A45C13/06
主分类号
A44B19/22
代理机构
代理人
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