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发明名称
Single port pressure balanced gas regulator
摘要
申请公布号
US2345824(A)
申请公布日期
1944.04.04
申请号
US19410416023
申请日期
1941.10.22
申请人
MACBETH GEORGE T
发明人
MACBETH GEORGE T.
分类号
G05D16/06;G05D16/16
主分类号
G05D16/06
代理机构
代理人
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