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发明名称
摘要
申请公布号
CS160847(B1)
申请公布日期
1975.05.04
申请号
CS19720004789
申请日期
1972.07.06
申请人
发明人
分类号
B28B3/06;(IPC1-7):B28B3/06
主分类号
B28B3/06
代理机构
代理人
主权项
地址
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