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经营范围
发明名称
Générateur d'acétylène à débit automatique
摘要
申请公布号
FR867724(A)
申请公布日期
1941.11.25
申请号
FRD867724
申请日期
1940.11.09
申请人
发明人
CELESTIN SAINT-PIERRE HENRI,
分类号
C10H5/00
主分类号
C10H5/00
代理机构
代理人
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地址
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