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发明名称
Indicating device for carriers
摘要
申请公布号
US1781055(A)
申请公布日期
1930.11.11
申请号
US19290330873
申请日期
1929.01.07
申请人
DUDLEY ROBERT L
发明人
DUDLEY ROBERT L.
分类号
B65G51/06
主分类号
B65G51/06
代理机构
代理人
主权项
地址
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