APPARATUS FOR PREVENTING THE DESCENT OF A CANVAS DOOR CAPABLE OF PREVENTING THE DESCENT OF A DOORFRAME WHEN THE TENSION OF A LIFTING WIRE IS RELEASED,申请号KR20070022632-传众专利搜索

发明名称	APPARATUS FOR PREVENTING THE DESCENT OF A CANVAS DOOR CAPABLE OF PREVENTING THE DESCENT OF A DOORFRAME WHEN THE TENSION OF A LIFTING WIRE IS RELEASED
摘要
申请公布号	KR20070034036(A)	申请公布日期	2007.03.27
申请号	KR20070022632	申请日期	2007.03.07
申请人		发明人
分类号	E06B3/01;E06B9/56;E06B9/80	主分类号	E06B3/01
代理机构		代理人
主权项
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