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发明名称
BORING METHOD OF CERAMIC
摘要
申请公布号
JPH11216720(A)
申请公布日期
1999.08.10
申请号
JP19980023715
申请日期
1998.02.05
申请人
NGK INSULATORS LTD
发明人
WATANABE YASUHIKO
分类号
B28D1/16;(IPC1-7):B28D1/16
主分类号
B28D1/16
代理机构
代理人
主权项
地址
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