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经营范围
发明名称
Steam heating system
摘要
申请公布号
US1830051(A)
申请公布日期
1931.11.03
申请号
US19250000406
申请日期
1925.01.03
申请人
GLENN MUFFLY
发明人
CARROLL LOUIS W.
分类号
F24D1/00
主分类号
F24D1/00
代理机构
代理人
主权项
地址
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