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发明名称
DEVICE FOR KEEPING THE VENTILATION SECTION OF A TWO-AKIN ROOF FREE, METHOD FOR RESTORING A TWO-AKIN ROOF AND GUIDING DOWEL FOR CARRYING OUT THE METHOD
摘要
申请公布号
EP0184793(A3)
申请公布日期
1987.01.14
申请号
EP19850115558
申请日期
1985.12.06
申请人
SCHLAPKA, FRANZ-JOSEF
发明人
SCHLAPKA, FRANZ-JOSEF
分类号
E04D13/17;(IPC1-7):E04D13/16
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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