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经营范围
发明名称
Signalisateur d'ouverture pour robinet à gaz
摘要
申请公布号
FR1338328(A)
申请公布日期
1963.09.27
申请号
FR19623104787
申请日期
1962.04.02
申请人
发明人
DUMOULIN PIERRE
分类号
F16K37/00
主分类号
F16K37/00
代理机构
代理人
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