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发明名称
Balancing mechanism for pressure logs
摘要
申请公布号
US2581811(A)
申请公布日期
1952.01.08
申请号
US19490082518
申请日期
1949.03.21
申请人
SVENSKA ACKUMULATOR AKTIEBOLAGET JUNGNER
发明人
OSTERMAN EDVIN MAURITZ
分类号
G01P5/14
主分类号
G01P5/14
代理机构
代理人
主权项
地址
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