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发明名称
Flue cleaning implement with blade flexibly connected to shaft
摘要
申请公布号
US2484267(A)
申请公布日期
1949.10.11
申请号
US19460674893
申请日期
1946.06.06
申请人
BOWER JOSEPH E
发明人
BOWER JOSEPH E.
分类号
F23J3/02
主分类号
F23J3/02
代理机构
代理人
主权项
地址
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