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经营范围
发明名称
Improvements in direct contact steam boilers
摘要
申请公布号
GB619088(A)
申请公布日期
1949.03.03
申请号
GB19460034169
申请日期
1946.11.18
申请人
NOUREDDIN MAYAS
发明人
分类号
F22B1/26
主分类号
F22B1/26
代理机构
代理人
主权项
地址
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