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经营范围
发明名称
Improvements in or relating to door checks
摘要
申请公布号
GB840603(A)
申请公布日期
1960.07.06
申请号
GB19580017732
申请日期
1958.06.03
申请人
GEBR. HAPPICH G.M.B.H.
发明人
分类号
E05C17/20
主分类号
E05C17/20
代理机构
代理人
主权项
地址
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