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发明名称
摘要
申请公布号
SU509107(A1)
申请公布日期
1977.02.25
申请号
SU19721852482
申请日期
1972.12.02
申请人
发明人
分类号
(IPC1-7):D01H1/12
主分类号
(IPC1-7):D01H1/12
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