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摘要
申请公布号
GB1228814(A)
申请公布日期
1971.04.21
申请号
GBD1228814
申请日期
1968.04.10
申请人
发明人
分类号
B07B13/00;H05H3/06;H05H7/00;H05H7/18;H05H9/00
主分类号
B07B13/00
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