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发明名称
Heater grate
摘要
申请公布号
US1794056(A)
申请公布日期
1931.02.24
申请号
US19280316422
申请日期
1928.11.01
申请人
ANELLA L. RIDGELY
发明人
BORGESON GUSTAV
分类号
F23H13/02
主分类号
F23H13/02
代理机构
代理人
主权项
地址
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