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发明名称
摘要
申请公布号
SU405739(A1)
申请公布日期
1973.11.05
申请号
SU19711727040
申请日期
1971.12.20
申请人
发明人
分类号
B29D30/14;(IPC1-7):B29H17/18
主分类号
B29D30/14
代理机构
代理人
主权项
地址
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