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经营范围
发明名称
LEITUNGSVENTIL
摘要
申请公布号
AT349845(B)
申请公布日期
1979.04.25
申请号
AT19760001225
申请日期
1976.02.20
申请人
DRESSER INDUSTRIES, INC.
发明人
分类号
F16K1/226;F16K41/08;(IPC1-7):F16K1/22;F16K41/04
主分类号
F16K1/226
代理机构
代理人
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地址
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