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经营范围
发明名称
Procédé pour la trempe des verres, des glaces et de l'acier
摘要
申请公布号
FR783528(A)
申请公布日期
1935.07.15
申请号
FRD783528
申请日期
1934.03.22
申请人
发明人
BOUCHE ALBERT
分类号
C03B27/052
主分类号
C03B27/052
代理机构
代理人
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