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经营范围
发明名称
Liquid heating apparatus
摘要
申请公布号
US1990626(A)
申请公布日期
1935.02.12
申请号
US19290354282
申请日期
1929.04.11
申请人
EDWIN L. WIEGAND COMPANY
发明人
WIEGAND EDWIN L.
分类号
A47J31/053
主分类号
A47J31/053
代理机构
代理人
主权项
地址
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