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发明名称
Procédé pour la trempe de surface
摘要
申请公布号
FR760056(A)
申请公布日期
1934.02.16
申请号
FRD760056
申请日期
1933.08.24
申请人
发明人
HANUS EWALD
分类号
C23C8/60
主分类号
C23C8/60
代理机构
代理人
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