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发明名称
Improvements in or relating to spring-controlled devices
摘要
申请公布号
GB629176(A)
申请公布日期
1949.09.14
申请号
GB19460036088
申请日期
1946.12.05
申请人
HENRY WEIGHELL
发明人
分类号
E05B15/04;F16H35/00
主分类号
E05B15/04
代理机构
代理人
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