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经营范围
发明名称
An improved concertina wire coil
摘要
申请公布号
GB754768(A)
申请公布日期
1956.08.15
申请号
GB19540014205
申请日期
1954.05.14
申请人
RICHARD LEIDOLF
发明人
分类号
F41H11/08
主分类号
F41H11/08
代理机构
代理人
主权项
地址
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