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发明名称
摘要
申请公布号
SU18207(A1)
申请公布日期
1930.09.30
申请号
SU19290040602
申请日期
1929.02.11
申请人
发明人
分类号
D01H1/24;D01H7/10
主分类号
D01H1/24
代理机构
代理人
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地址
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