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发明名称
Heating system
摘要
申请公布号
US2330298(A)
申请公布日期
1943.09.28
申请号
US19410373752
申请日期
1941.01.09
申请人
MCCOLLUM HENRY J DE N
发明人
MCCOLLUM HENRY J. DE N.
分类号
B64D13/08
主分类号
B64D13/08
代理机构
代理人
主权项
地址
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