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发明名称
Perfectionnements aux dispositifs d'alimentation en eau des chaudières
摘要
申请公布号
FR706903(A)
申请公布日期
1931.07.01
申请号
FRD706903
申请日期
1930.10.31
申请人
G. & J. WEIR LIMITED
发明人
LANG CHARLES RUSSELL
分类号
F22D5/18
主分类号
F22D5/18
代理机构
代理人
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