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发明名称
摘要
申请公布号
JPS57165410(U)
申请公布日期
1982.10.19
申请号
JP19810052858U
申请日期
1981.04.13
申请人
发明人
分类号
B28B21/80;B28B21/76;(IPC1-7):B28B21/76
主分类号
B28B21/80
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