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发明名称
SEMI-AUTOMATIC CHUCK FOR CHUCKING MULTI-STEPPED SHAFTS WITH ACCENTRIC JOURNALS
摘要
申请公布号
PL131444(B1)
申请公布日期
1984.11.30
申请号
PL19810231603
申请日期
1981.06.08
申请人
发明人
分类号
B23B;B23B31/26;(IPC1-7):B23B31/26
主分类号
B23B
代理机构
代理人
主权项
地址
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