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经营范围
发明名称
IRON REMOVAL FROM SILICON NITRIDE POWDER
摘要
申请公布号
JPS5895605(A)
申请公布日期
1983.06.07
申请号
JP19810192079
申请日期
1981.11.30
申请人
TOYOTA JIDOSHA KOGYO KK
发明人
UCHIDA KIYOSHI
分类号
C01B21/068
主分类号
C01B21/068
代理机构
代理人
主权项
地址
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