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发明名称
DETECTION METHOD FOR ROOT GAP
摘要
申请公布号
JPS6380971(A)
申请公布日期
1988.04.11
申请号
JP19860226244
申请日期
1986.09.26
申请人
NKK CORP
发明人
SUGITANI YUJI;KOBAYASHI MASAO;MURAYAMA MASATOMO
分类号
B23K9/095;B23K9/00;B23K9/12;B23K9/127
主分类号
B23K9/095
代理机构
代理人
主权项
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