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发明名称
Serving device
摘要
申请公布号
US1857820(A)
申请公布日期
1932.05.10
申请号
US19300438267
申请日期
1930.03.24
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
RICE EDGAR U.
分类号
D02G3/36
主分类号
D02G3/36
代理机构
代理人
主权项
地址
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