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经营范围
发明名称
Steam boiler, particularly intended for use in central heating
摘要
申请公布号
GB345123(A)
申请公布日期
1931.03.19
申请号
GB19300011768
申请日期
1930.04.14
申请人
ERICH ROUCKA
发明人
分类号
F24H1/22
主分类号
F24H1/22
代理机构
代理人
主权项
地址
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