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发明名称
摘要
申请公布号
JP2904847(B2)
申请公布日期
1999.06.14
申请号
JP19900043470
申请日期
1990.02.23
申请人
HOWA KOGYO KK
发明人
UEMURA TADASHI;MASE YOSHIAKI
分类号
B23B31/117;(IPC1-7):B23B31/117
主分类号
B23B31/117
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