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发明名称
Apparatus for indicating the state of charge of bunkers
摘要
申请公布号
US2775892(A)
申请公布日期
1957.01.01
申请号
US19530334893
申请日期
1953.02.13
申请人
KOPPERS COMPANY, INC.
发明人
GODDE FRANZ
分类号
G01F23/24;G01F23/26
主分类号
G01F23/24
代理机构
代理人
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