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发明名称
摘要
申请公布号
JPS531755(B2)
申请公布日期
1978.01.21
申请号
JP19720085977
申请日期
1972.08.28
申请人
发明人
分类号
C04B38/00;C03C25/10
主分类号
C04B38/00
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代理人
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