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发明名称
摘要
申请公布号
CH180570(A4)
申请公布日期
1971.10.15
申请号
CHD180570D
申请日期
1970.02.09
申请人
发明人
分类号
D02G1/02;(IPC1-7):D02G1/02
主分类号
D02G1/02
代理机构
代理人
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地址
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