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发明名称
摘要
申请公布号
SU362693(A1)
申请公布日期
1972.12.30
申请号
SU19701462826
申请日期
1970.07.24
申请人
发明人
分类号
B28B5/00;(IPC1-7):B28B5/00
主分类号
B28B5/00
代理机构
代理人
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地址
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