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经营范围
发明名称
Steam boiler
摘要
申请公布号
US2122390(A)
申请公布日期
1938.06.28
申请号
US19370164120
申请日期
1937.09.16
申请人
CHEMICAL CONSTRUCTION CORPORATION
发明人
EKLUND JOEL
分类号
F22B21/08
主分类号
F22B21/08
代理机构
代理人
主权项
地址
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