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经营范围
发明名称
Duct system
摘要
申请公布号
US2227587(A)
申请公布日期
1941.01.07
申请号
US19390266484
申请日期
1939.04.07
申请人
L. J. MUELLER FURNACE COMPANY
发明人
JONES EDWIN A.;JR. CLARENCE L. HEWITT,
分类号
F16L41/02
主分类号
F16L41/02
代理机构
代理人
主权项
地址
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