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发明名称
摘要
申请公布号
JPH029937(Y2)
申请公布日期
1990.03.13
申请号
JP19820201740U
申请日期
1982.12.29
申请人
发明人
分类号
B28B21/80;(IPC1-7):B28B21/80
主分类号
B28B21/80
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代理人
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