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发明名称
Mobile ramp
摘要
申请公布号
US3018496(A)
申请公布日期
1962.01.30
申请号
US19570680532
申请日期
1957.08.27
申请人
SYMINGTON-WAYNE CORPORATION
发明人
HOSBEIN HUGH WARREN
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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