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发明名称
Method and apparatus for reducing the pressure of high pressure systems
摘要
申请公布号
US2177265(A)
申请公布日期
1939.10.24
申请号
US19360066217
申请日期
1936.02.28
申请人
CHEMISCHE FABRIK VON HEYDEN A. G.
发明人
RATH CURT
分类号
G05D16/18
主分类号
G05D16/18
代理机构
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