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经营范围
发明名称
Perfectionnement aux générateurs à vapeur
摘要
申请公布号
FR755285(A)
申请公布日期
1933.11.22
申请号
FRD755285
申请日期
1933.05.08
申请人
发明人
LEBLANC ADELARD
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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