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经营范围
发明名称
Furnace construction
摘要
申请公布号
US2071069(A)
申请公布日期
1937.02.16
申请号
US19340719117
申请日期
1934.04.05
申请人
HERBERT HEITMAN
发明人
HEITMAN HERBERT
分类号
F27D1/14
主分类号
F27D1/14
代理机构
代理人
主权项
地址
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