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经营范围
发明名称
Perfectionnements aux chalumeaux de soudure autogène
摘要
申请公布号
FR907141(A)
申请公布日期
1946.03.01
申请号
FRD907141
申请日期
1942.04.08
申请人
发明人
SAVOYE HENRI
分类号
F23D14/40
主分类号
F23D14/40
代理机构
代理人
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