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发明名称
DOOR SAFETY DEVICE
摘要
申请公布号
GB9020226(D0)
申请公布日期
1990.10.24
申请号
GB19900020226
申请日期
1990.09.15
申请人
DEAN, EDWARD
发明人
分类号
E05F5/00
主分类号
E05F5/00
代理机构
代理人
主权项
地址
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