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发明名称
SINTERED RING FOR SPINNING
摘要
申请公布号
JPS5289508(A)
申请公布日期
1977.07.27
申请号
JP19720109090
申请日期
1972.10.30
申请人
KANAI HIROYUKI
发明人
KANAI HIROYUKI
分类号
B22F1/00;B22F3/00;B22F5/00;C22C33/02;C22C38/00;D01H7/52
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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