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经营范围
发明名称
WATER HEATER
摘要
申请公布号
CA328881(A)
申请公布日期
1932.12.27
申请号
CAD328881
申请日期
申请人
THE PARKINSON HEATER CORPORATION
发明人
JOHN J. PARKINSON
分类号
主分类号
代理机构
代理人
主权项
地址
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