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发明名称
Perfectionnements aux soupapes
摘要
申请公布号
FR893857(A)
申请公布日期
1944.11.08
申请号
FRD893857
申请日期
1943.05.19
申请人
SOCIETE DE ROBINETTERIE "S. A. J."
发明人
分类号
F16K24/02
主分类号
F16K24/02
代理机构
代理人
主权项
地址
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