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经营范围
发明名称
Hot-water feeding for boilers
摘要
申请公布号
US1759107(A)
申请公布日期
1930.05.20
申请号
US19260110224
申请日期
1926.05.19
申请人
L'AUXILIAIRE DES CHEMINS DE FER ET DE L'INDUSTRIE
发明人
FIEDLER SEBASTIEN OTTO ALFRED
分类号
F22D1/42
主分类号
F22D1/42
代理机构
代理人
主权项
地址
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