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经营范围
发明名称
SPRING PRODUCING METHOD
摘要
申请公布号
JPS5460264(A)
申请公布日期
1979.05.15
申请号
JP19770126486
申请日期
1977.10.21
申请人
NIPPON KINZOKU CO LTD
发明人
YASHIRO TOSHIYUKI;TAKEI MITSUO
分类号
B21D11/07;B21F35/00;F16F1/10
主分类号
B21D11/07
代理机构
代理人
主权项
地址
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