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发明名称
DEVICE FOR FORMING ANNULAR GROOVE FOR FASTENING FIBER DRUM
摘要
申请公布号
JPS6434523(A)
申请公布日期
1989.02.06
申请号
JP19870189646
申请日期
1987.07.29
申请人
TSUMOTO TEKKOSHO:KK
发明人
TSUMOTO HIROMI
分类号
B21D51/26;B21D22/14;B31B1/74;B31B17/00
主分类号
B21D51/26
代理机构
代理人
主权项
地址
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