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经营范围
发明名称
An extendible ramp
摘要
申请公布号
GB0000017(D0)
申请公布日期
2000.02.23
申请号
GB20000000017
申请日期
2000.03.14
申请人
JOHNSON, PAUL H
发明人
分类号
B65G69/28
主分类号
B65G69/28
代理机构
代理人
主权项
地址
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