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发明名称
METHOD OF CARRYING OUT A DRILLING ROD THERMOCHEMICAL TREATMENT PROCESS
摘要
申请公布号
PL284033(A1)
申请公布日期
1991.09.09
申请号
PL19900284033
申请日期
1990.02.26
申请人
WASYLECZKO ZENON
发明人
WASYLECZKO ZENON
分类号
C23C8/06;C23C8/20;C23C8/44;C23C8/64;(IPC1-7):C23C8/06
主分类号
C23C8/06
代理机构
代理人
主权项
地址
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