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发明名称
BOILER AND WATER HEATER
摘要
申请公布号
CA300995(A)
申请公布日期
1930.06.10
申请号
CAD300995
申请日期
申请人
THE LEADER IRON WORKS
发明人
LOUIS D. SUMMERS
分类号
主分类号
代理机构
代理人
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