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发明名称
Improvements in springs
摘要
申请公布号
GB548189(A)
申请公布日期
1942.09.29
申请号
GB19420006929
申请日期
1942.05.21
申请人
HERBERT BROOKE PERREN HUMPHRIES
发明人
分类号
F16F15/121
主分类号
F16F15/121
代理机构
代理人
主权项
地址
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