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经营范围
发明名称
Inspection lamp
摘要
申请公布号
US1877077(A)
申请公布日期
1932.09.13
申请号
US19300460601
申请日期
1930.06.12
申请人
THE VOL-U-METER CO., INC.
发明人
STEVENS ARTHUR L.
分类号
D06H3/16;F21L4/00
主分类号
D06H3/16
代理机构
代理人
主权项
地址
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