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经营范围
发明名称
Monorail trolley
摘要
申请公布号
US3018739(A)
申请公布日期
1962.01.30
申请号
US19580706683
申请日期
1958.01.02
申请人
DUFF-NORTON COMPANY
发明人
CARROLL CHARLES
分类号
B66C7/00
主分类号
B66C7/00
代理机构
代理人
主权项
地址
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