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经营范围
发明名称
(B1) ;SELF-CENTERING SPIRAL TURNING CHUCK
摘要
申请公布号
PL231548(A1)
申请公布日期
1982.12.06
申请号
PL19810231548
申请日期
1981.06.05
申请人
PRZYRZADOW UCHWYTOW PONAR
发明人
OLECHNO ALBERT
分类号
B23B;B23B31/12;(IPC1-7):B23B/
主分类号
B23B
代理机构
代理人
主权项
地址
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