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发明名称
Improvements in or relating to combined pressure-reducing and shut-off valve devices
摘要
申请公布号
GB803334(A)
申请公布日期
1958.10.22
申请号
GB19560014687
申请日期
1956.05.11
申请人
SOCIETE ANONYME DES ETABLISSEMENTS GEORGES CLESSE
发明人
分类号
F16K31/528;G05D16/06
主分类号
F16K31/528
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