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发明名称
Improvements relating to valve reversing devices for intermittent gas producers or the like
摘要
申请公布号
GB332783(A)
申请公布日期
1930.07.31
申请号
GB19290025583
申请日期
1929.08.22
申请人
BAMAG-MEGUIN AKTIENGESELLSCHAFT
发明人
分类号
C10J3/24
主分类号
C10J3/24
代理机构
代理人
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