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发明名称
摘要
申请公布号
JPS5234696(Y2)
申请公布日期
1977.08.08
申请号
JP19710057613U
申请日期
1971.07.02
申请人
发明人
分类号
B28D1/04;B26D1/14;B28D1/22;B28D1/24;(IPC1-7):B26D1/14
主分类号
B28D1/04
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