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经营范围
发明名称
Procédé de production d'hydrogène
摘要
申请公布号
FR921352(A)
申请公布日期
1947.05.06
申请号
FRD921352
申请日期
1946.02.06
申请人
HERCULES POWDER COMPANY
发明人
分类号
C01B3/38
主分类号
C01B3/38
代理机构
代理人
主权项
地址
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