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发明名称
Improvements in methods of preserving the interior of steam boilers
摘要
申请公布号
GB731137(A)
申请公布日期
1955.06.01
申请号
GB19530027016
申请日期
1953.10.02
申请人
OTTO RIEXINGER
发明人
分类号
F28G9/00
主分类号
F28G9/00
代理机构
代理人
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