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经营范围
发明名称
GAS CARBURISING
摘要
申请公布号
GB2076023(B)
申请公布日期
1983.08.03
申请号
GB19800014712
申请日期
1980.05.02
申请人
AIR PRODUCTS & CHEMICALS INC
发明人
分类号
C23C8/22;(IPC1-7):C21D1/74;C23C11/10;F27D7/06
主分类号
C23C8/22
代理机构
代理人
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地址
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