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发明名称
Pièces de canalisation pour métaux liquides portés à haute température et leur procédé de fabrication
摘要
申请公布号
FR858694(A)
申请公布日期
1940.11.30
申请号
FRD858694
申请日期
1939.04.27
申请人
发明人
BILLOUEZ ALEXANDRE EMILE
分类号
B22D35/04
主分类号
B22D35/04
代理机构
代理人
主权项
地址
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