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发明名称
Heating apparatus
摘要
申请公布号
US2021605(A)
申请公布日期
1935.11.19
申请号
US19310567548
申请日期
1931.10.08
申请人
ELECTROL, INCORPORATED
发明人
MACRAE JAMES NORMAN
分类号
F22B7/12
主分类号
F22B7/12
代理机构
代理人
主权项
地址
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