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发明名称
Traffic control for power conveyers
摘要
申请公布号
US2349968(A)
申请公布日期
1944.05.30
申请号
US19420434328
申请日期
1942.03.12
申请人
KAMPFER CHARLES W
发明人
KAMPFER CHARLES W.
分类号
B65G47/68
主分类号
B65G47/68
代理机构
代理人
主权项
地址
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