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发明名称
SPEED ADJUSTMENT DEVICE IN DOOR CLOSER AND SPEED ADJUSTMENT METHOD
摘要
申请公布号
JPH09112123(A)
申请公布日期
1997.04.28
申请号
JP19950265594
申请日期
1995.10.13
申请人
RYOBI LTD
发明人
AKIYAMA HIROYUKI
分类号
E05F3/04;E05F3/12;(IPC1-7):E05F3/04
主分类号
E05F3/04
代理机构
代理人
主权项
地址
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