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发明名称
POLYCRYSTAL DIAMOND AND PRODUCTION THEREOF
摘要
申请公布号
JPH0393695(A)
申请公布日期
1991.04.18
申请号
JP19890230348
申请日期
1989.09.07
申请人
SUMITOMO ELECTRIC IND LTD
发明人
IMAI TAKAHIRO;YASHIKI TETSUO;FUJIMORI NAOHARU
分类号
C30B29/04
主分类号
C30B29/04
代理机构
代理人
主权项
地址
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