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发明名称
SAFETY LIGHTING AND TESTING DEVICE FOR GAS BURNERS
摘要
申请公布号
CA304489(A)
申请公布日期
1930.10.07
申请号
CAD304489
申请日期
申请人
ERNEST A. HALL
发明人
ERNEST A. HALL
分类号
主分类号
代理机构
代理人
主权项
地址
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