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发明名称
Heating boiler
摘要
申请公布号
US1821981(A)
申请公布日期
1931.09.08
申请号
US19280281956
申请日期
1928.05.31
申请人
PEARL C. SUTTON
发明人
MERZ JOHN MARTIN
分类号
F22B13/00
主分类号
F22B13/00
代理机构
代理人
主权项
地址
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