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发明名称
Improvements in or relating to coaster hubs for cycles
摘要
申请公布号
GB509734(A)
申请公布日期
1939.07.20
申请号
GB19380029597
申请日期
1938.10.12
申请人
HEINRICH NOWIGK
发明人
分类号
B62L5/04
主分类号
B62L5/04
代理机构
代理人
主权项
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