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发明名称
WORK METHOD AND DEVICE OF BOTH END SURFACES OF HOLLOW WORK
摘要
申请公布号
JPH09174301(A)
申请公布日期
1997.07.08
申请号
JP19950351633
申请日期
1995.12.25
申请人
OKUMA MACH WORKS LTD
发明人
HATANO SACHIHIRO
分类号
B23B31/10;B23B5/00;B23B31/00;B23B31/20;(IPC1-7):B23B5/00
主分类号
B23B31/10
代理机构
代理人
主权项
地址
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