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发明名称
Nouveau sable de fonderie
摘要
申请公布号
FR736367(A)
申请公布日期
1932.11.23
申请号
FRD736367
申请日期
1931.08.25
申请人
发明人
MALASPINA JEAN-AMEDEE;BAULOT CHARLES-EUGENE
分类号
B22C1/18
主分类号
B22C1/18
代理机构
代理人
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地址
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