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经营范围
发明名称
Procédé de fabrication de pierres ponces artificielles
摘要
申请公布号
FR919359(A)
申请公布日期
1947.03.06
申请号
FRD919359
申请日期
1945.09.10
申请人
发明人
SCANDALETOS PAUL
分类号
B24D3/18
主分类号
B24D3/18
代理机构
代理人
主权项
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