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发明名称
摘要
申请公布号
NL6812640(A)
申请公布日期
1970.03.09
申请号
NL19680012640
申请日期
1968.09.05
申请人
发明人
分类号
B32B27/00;D06M17/04;(IPC1-7):D06M17/00
主分类号
B32B27/00
代理机构
代理人
主权项
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