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经营范围
发明名称
Level indicating device
摘要
申请公布号
US2814127(A)
申请公布日期
1957.11.26
申请号
US19540428184
申请日期
1954.05.07
申请人
GEORGE BLATCHFORD
发明人
BLATCHFORD GEORGE
分类号
G01C5/04
主分类号
G01C5/04
代理机构
代理人
主权项
地址
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