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发明名称
VALVULA DE RETENCION PARA RECIPIENTES CONTENIENDO GASES LI-CUADOS.
摘要
申请公布号
ES145930(Y)
申请公布日期
1969.12.01
申请号
ES19690145930U
申请日期
1969.02.22
申请人
DRAGON-GAS, S. A.
发明人
分类号
F16K
主分类号
F16K
代理机构
代理人
主权项
地址
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