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经营范围
发明名称
Procédé de fonderie permettant l'obtention extrêment rapide des moules, de la coulée, et plus particulièrement d'une pellicule évitant le décapage ou l'ébarbage de la pièce obtenue
摘要
申请公布号
FR865219(A)
申请公布日期
1941.05.16
申请号
FRD865219
申请日期
1940.01.12
申请人
发明人
POUDEVIGNE ALEXANDRE RAYMOND
分类号
B22C1/18
主分类号
B22C1/18
代理机构
代理人
主权项
地址
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