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经营范围
发明名称
Smoke consumer and fuel economizer
摘要
申请公布号
US1914476(A)
申请公布日期
1933.06.20
申请号
US19310539362
申请日期
1931.05.22
申请人
NAPOLEON BEDARD
发明人
BEDARD NAPOLEON
分类号
F23L9/00
主分类号
F23L9/00
代理机构
代理人
主权项
地址
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