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发明名称
A DEVICE FOR ASSISTING PASSAGE ALONG A WALKWAY
摘要
申请公布号
GB9319920(D0)
申请公布日期
1993.11.10
申请号
GB19930019920
申请日期
1993.09.27
申请人
JAMES PAUL C.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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