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发明名称
Level-controlling device for liquid containers
摘要
申请公布号
US1787130(A)
申请公布日期
1930.12.30
申请号
US19270158711
申请日期
1927.01.03
申请人
TURNER EDWARD T
发明人
TURNER EDWARD T.
分类号
C02F1/42
主分类号
C02F1/42
代理机构
代理人
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地址
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