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发明名称
SAFETY DEVICE FOR LADDERS
摘要
申请公布号
AU552810(B2)
申请公布日期
1986.06.19
申请号
AU19820083970
申请日期
1982.05.19
申请人
SMITH, S.D.
发明人
SMITH, S.D.
分类号
E06C;E06C7/18;(IPC1-7):E06C7/18
主分类号
E06C
代理机构
代理人
主权项
地址
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