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经营范围
发明名称
Gas pressure regulator apparatus
摘要
申请公布号
US2506031(A)
申请公布日期
1950.05.02
申请号
US19480014271
申请日期
1948.03.11
申请人
MCDERMOTT JOHN K
发明人
MCDERMOTT JOHN K.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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