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发明名称
Bronzage rapide pour fer et acier
摘要
申请公布号
FR703147(A)
申请公布日期
1931.04.25
申请号
FRD703147
申请日期
1929.11.20
申请人
发明人
ROSSO VIRGILE
分类号
C23C22/62
主分类号
C23C22/62
代理机构
代理人
主权项
地址
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