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发明名称
Improvements in and relating to door closers
摘要
申请公布号
GB550559(A)
申请公布日期
1943.01.14
申请号
GB19410005823
申请日期
1941.05.05
申请人
HARRY SHACKLETON;ALFRED DAVIS POCHIN
发明人
分类号
E05F3/16
主分类号
E05F3/16
代理机构
代理人
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