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发明名称
摘要
申请公布号
JPS5443224(B2)
申请公布日期
1979.12.19
申请号
JP19760134217
申请日期
1976.11.10
申请人
发明人
分类号
B04C5/12;B04C11/00
主分类号
B04C5/12
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