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发明名称
Steam heating system
摘要
申请公布号
US1993832(A)
申请公布日期
1935.03.12
申请号
US19310543644
申请日期
1931.06.11
申请人
DURDIN JR AUGUSTUS C
发明人
JR. AUGUSTUS C. DURDIN,
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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