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发明名称
Fireplace heater
摘要
申请公布号
US1822091(A)
申请公布日期
1931.09.08
申请号
US19300436350
申请日期
1930.03.17
申请人
HALLERT ALBERT J
发明人
HALLERT ALBERT J.
分类号
F24B1/18
主分类号
F24B1/18
代理机构
代理人
主权项
地址
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