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发明名称
Chimney
摘要
申请公布号
US2328731(A)
申请公布日期
1943.09.07
申请号
US19420426226
申请日期
1942.01.09
申请人
JAMES B. BARRY
发明人
LOVELY ELMER R.
分类号
E04H12/28
主分类号
E04H12/28
代理机构
代理人
主权项
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