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经营范围
发明名称
BILLET FOR MANUFACTURING CLAD TUBE
摘要
申请公布号
JPH0397805(A)
申请公布日期
1991.04.23
申请号
JP19890235387
申请日期
1989.09.11
申请人
SUMITOMO METAL IND LTD
发明人
KIKUCHI JUNICHI;OHASHI YOSHIHISA
分类号
B22F3/20;B22F5/12;B22F7/04
主分类号
B22F3/20
代理机构
代理人
主权项
地址
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