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发明名称
Improvements relating to automatic ring valves for compressors and the like
摘要
申请公布号
GB487926(A)
申请公布日期
1938.06.28
申请号
GB19370025513
申请日期
1937.09.20
申请人
JOHANN ROBERT HOERBIGER;ALFRED HOERBIGER
发明人
分类号
F16K15/10
主分类号
F16K15/10
代理机构
代理人
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地址
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