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经营范围
发明名称
Improvements in or connected with the construction of bicycle frames
摘要
申请公布号
GB517864(A)
申请公布日期
1940.02.12
申请号
GB19380019819
申请日期
1938.07.05
申请人
发明人
分类号
B62K3/04
主分类号
B62K3/04
代理机构
代理人
主权项
地址
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