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发明名称
HIGH ENERGY SAVING HEAT EXCHANGER FOR FURNACES
摘要
申请公布号
US4111357(A)
申请公布日期
1978.09.05
申请号
US19770822553
申请日期
1977.08.08
申请人
MIECZKOWSKI, WALTER L.
发明人
MIECZKOWSKI, WALTER L.
分类号
F28D21/00;(IPC1-7):F28F1/10
主分类号
F28D21/00
代理机构
代理人
主权项
地址
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