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发明名称
Distributor for boiler heating surfaces
摘要
申请公布号
US2877746(A)
申请公布日期
1959.03.17
申请号
US19560591634
申请日期
1956.06.15
申请人
HEINRICH VORKAUF
发明人
OESTREICH HEINZ
分类号
F22B21/34;F22B21/36
主分类号
F22B21/34
代理机构
代理人
主权项
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