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发明名称
摘要
申请公布号
BE719648(A)
申请公布日期
1969.02.03
申请号
BED719648
申请日期
1968.08.19
申请人
发明人
分类号
B27K3/15;B27K3/30;B27K9/00;C08L97/02
主分类号
B27K3/15
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代理人
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