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经营范围
发明名称
Perfectionnements aux chaudières à vapeur
摘要
申请公布号
FR782545(A)
申请公布日期
1935.06.06
申请号
FRD782545
申请日期
1934.12.07
申请人
BABCOCK & WILCOX
发明人
分类号
F22B21/34
主分类号
F22B21/34
代理机构
代理人
主权项
地址
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