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发明名称
Improvements connected with cycle bells
摘要
申请公布号
GB716942(A)
申请公布日期
1954.10.20
申请号
GB19520022120
申请日期
1952.09.03
申请人
VIC-TREE PRODUCTS (BIRMINGHAM) LIMITED
发明人
HYAMS JOSEPH EDWARD
分类号
G10K1/074
主分类号
G10K1/074
代理机构
代理人
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