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发明名称
Furnace construction
摘要
申请公布号
US2020862(A)
申请公布日期
1935.11.12
申请号
US19340753704
申请日期
1934.11.19
申请人
WATSON EARNEST L;WATSON MARGARET E
发明人
WATSON EARNEST L.;WATSON MARGARET E.
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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