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发明名称
ROOF COVERING
摘要
申请公布号
EP0045376(A3)
申请公布日期
1982.02.17
申请号
EP19810105045
申请日期
1981.06.30
申请人
DREFAHL, JENS
发明人
DREFAHL, JENS
分类号
A01G1/00;E04D11/00;(IPC1-7):E04D11/00;A01G9/00
主分类号
A01G1/00
代理机构
代理人
主权项
地址
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