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经营范围
发明名称
WATER HEATING SYSTEM
摘要
申请公布号
CA296678(A)
申请公布日期
1930.01.14
申请号
CAD296678
申请日期
申请人
THE O. E. FRANK HEATER AND ENGINEERING CO.
发明人
HERBERT P. WILDER;OLIVE E. FRANK
分类号
主分类号
代理机构
代理人
主权项
地址
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