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发明名称
PRECISION WORKING METHOD OF SMALL SIZE PARTS
摘要
申请公布号
JPS5674328(A)
申请公布日期
1981.06.19
申请号
JP19790151148
申请日期
1979.11.21
申请人
NIPPON ELECTRIC CO;SUMITOMO METAL MINING CO
发明人
SAWADA KIMIAKI;ANAZAWA SHINZOU;YOSHIKAWA KAZUHIKO
分类号
B21D28/00;B21D28/16
主分类号
B21D28/00
代理机构
代理人
主权项
地址
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