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经营范围
发明名称
THREADING HEAD
摘要
申请公布号
PL147664(B1)
申请公布日期
1989.07.31
申请号
PL19850256230
申请日期
1985.11.12
申请人
发明人
分类号
B23G;B23G5/12;(IPC1-7):B23G5/12
主分类号
B23G
代理机构
代理人
主权项
地址
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