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发明名称
摘要
申请公布号
JPH02115584(U)
申请公布日期
1990.09.17
申请号
JP19890020810U
申请日期
1989.02.25
申请人
发明人
分类号
D03J1/04;D03D47/34;(IPC1-7):D03D47/34
主分类号
D03J1/04
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代理人
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