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经营范围
发明名称
An improved fastener
摘要
申请公布号
GB677089(A)
申请公布日期
1952.08.06
申请号
GB19490030078
申请日期
1949.11.23
申请人
ERIC BIRGER FERNBERG;FERNTOL PATENTS LIMITED
发明人
分类号
F16B13/12;F16B37/00;F16B37/04;F16B37/08
主分类号
F16B13/12
代理机构
代理人
主权项
地址
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