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发明名称
Chimney cleaner
摘要
申请公布号
US2264230(A)
申请公布日期
1941.11.25
申请号
US19410385184
申请日期
1941.03.25
申请人
ANDERSON WILLIAM M
发明人
ANDERSON WILLIAM M.
分类号
F23J3/02
主分类号
F23J3/02
代理机构
代理人
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地址
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