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发明名称
Hand railing system
摘要
申请公布号
US3021115(A)
申请公布日期
1962.02.13
申请号
US19580746534
申请日期
1958.07.03
申请人
DAKE NORMAN W
发明人
DAKE NORMAN W.
分类号
E04F11/18;E04H12/24
主分类号
E04F11/18
代理机构
代理人
主权项
地址
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