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发明名称
DWUKOLOWY WOZEK-DRABINA
摘要
申请公布号
PL95839(B1)
申请公布日期
1977.11.30
申请号
PL19750184669
申请日期
1975.11.12
申请人
发明人
分类号
E06C5/04;(IPC1-7):E06C5/04
主分类号
E06C5/04
代理机构
代理人
主权项
地址
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