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发明名称
Improvements in water tube boilers
摘要
申请公布号
GB356992(A)
申请公布日期
1931.09.17
申请号
GB19300033187
申请日期
1930.11.04
申请人
HAROLD EDGAR YARROW
发明人
分类号
F22B21/14
主分类号
F22B21/14
代理机构
代理人
主权项
地址
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