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发明名称
Perfectionnements au moulage des métaux et alliages fondus
摘要
申请公布号
FR702148(A)
申请公布日期
1931.03.30
申请号
FRD702148
申请日期
1930.08.22
申请人
发明人
HARRIS HENRY
分类号
B22D11/06
主分类号
B22D11/06
代理机构
代理人
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