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发明名称
Boiler construction
摘要
申请公布号
US1983649(A)
申请公布日期
1934.12.11
申请号
US19320633943
申请日期
1932.09.20
申请人
THE BIGELOW COMPANY
发明人
WELTER GUSTAVE
分类号
F24H1/20
主分类号
F24H1/20
代理机构
代理人
主权项
地址
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