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经营范围
发明名称
Improvements in or relating to springs
摘要
申请公布号
GB728611(A)
申请公布日期
1955.04.20
申请号
GB19520024205
申请日期
1952.09.26
申请人
BECKETT, LAYCOCK & WATKINSON LIMITED
发明人
CHAPPELLE HERBERT
分类号
F16F1/10
主分类号
F16F1/10
代理机构
代理人
主权项
地址
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