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经营范围
发明名称
KULEVENTIL.
摘要
申请公布号
NO136162(C)
申请公布日期
1977.07.27
申请号
NO19740002726
申请日期
1974.07.26
申请人
CELANESE CORPORATION,
发明人
WRASMAN, THOMAS JAMES,
分类号
F16K5/06;F16K27/06;(IPC1-7):F16K5/20
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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