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经营范围
发明名称
METHOD FOR HEAT TREATING WELD ZONE
摘要
申请公布号
JPH04182075(A)
申请公布日期
1992.06.29
申请号
JP19900311535
申请日期
1990.11.19
申请人
NKK CORP
发明人
MISAKI HIROYUKI;KOJIMA SEIJI
分类号
B21B15/00;B21B45/00;B23K11/04;B23K11/36;C21D9/50
主分类号
B21B15/00
代理机构
代理人
主权项
地址
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