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发明名称
Registering device
摘要
申请公布号
US1860184(A)
申请公布日期
1932.05.24
申请号
US19280327499
申请日期
1928.12.21
申请人
THE JACOBS BROS. CO., INC.
发明人
JACOBS AARON J.
分类号
G01G19/50
主分类号
G01G19/50
代理机构
代理人
主权项
地址
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