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发明名称
摘要
申请公布号
JPS4421503(Y1)
申请公布日期
1969.09.11
申请号
JP19640085430U
申请日期
1964.11.02
申请人
发明人
分类号
B28B21/64;B28B23/04;B28B23/06;(IPC1-7):B28B23/06
主分类号
B28B21/64
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