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经营范围
发明名称
Electric heater
摘要
申请公布号
US1968776(A)
申请公布日期
1934.07.31
申请号
US19330693839
申请日期
1933.10.16
申请人
SCHNEIDER RALPH F
发明人
SCHNEIDER RALPH F.
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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