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发明名称
Foldable hand rail
摘要
申请公布号
US3401918(A)
申请公布日期
1968.09.17
申请号
US19670612392
申请日期
1967.01.30
申请人
HAROLD WIESE
发明人
WIESE HAROLD
分类号
E04H3/12
主分类号
E04H3/12
代理机构
代理人
主权项
地址
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