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经营范围
发明名称
CURVED ESCALATOR
摘要
申请公布号
GB9123313(D0)
申请公布日期
1991.12.18
申请号
GB19910023313
申请日期
1991.11.04
申请人
BRUNN, ERIK
发明人
分类号
B66B21/06
主分类号
B66B21/06
代理机构
代理人
主权项
地址
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