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发明名称
Counterbalancing Mechanism for Doors.
摘要
申请公布号
GB1187939(A)
申请公布日期
1970.04.15
申请号
GB19680030077
申请日期
1968.06.24
申请人
OVERHEAD DOOR CORPORATION
发明人
JOHN WILLIAM BINNS
分类号
E05D15/44;E05F1/16
主分类号
E05D15/44
代理机构
代理人
主权项
地址
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