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发明名称
SPEED DECREASING DEVICE FOR DOOR HINGE
摘要
申请公布号
KR810001294(Y1)
申请公布日期
1981.09.25
申请号
KR19800005535U
申请日期
1980.08.27
申请人
DAN HEUNG DEOK
发明人
DAN HEUNG DEOK
分类号
E05F5/02;(IPC1-7):E05F5/02
主分类号
E05F5/02
代理机构
代理人
主权项
地址
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