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经营范围
发明名称
Perfectionnements apportés aux chaudières
摘要
申请公布号
FR63492(E)
申请公布日期
1955.09.28
申请号
FRD63492
申请日期
1952.11.12
申请人
发明人
BARATA JOSE
分类号
F22B21/00
主分类号
F22B21/00
代理机构
代理人
主权项
地址
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