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发明名称
Improvements in or relating to spring seats
摘要
申请公布号
GB438967(A)
申请公布日期
1935.11.27
申请号
GB19340016204
申请日期
1934.05.31
申请人
JOHN EDMUND LESLIE MARSHALL
发明人
分类号
B60N2/70
主分类号
B60N2/70
代理机构
代理人
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