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发明名称
MANUFACTURE OF CLAD SECTIONS BY HOT EXTRUSION
摘要
申请公布号
JPH02179315(A)
申请公布日期
1990.07.12
申请号
JP19880331669
申请日期
1988.12.28
申请人
NKK CORP
发明人
KAMEMURA YOSHIKI;OYAMA MOTOAKI;ARAI SEIICHI;KOBAYASHI NORIO
分类号
B21C23/22
主分类号
B21C23/22
代理机构
代理人
主权项
地址
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