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发明名称
MANUFACTURE OF WORK ROLL FOR ROLLING MILL
摘要
申请公布号
JPH01168818(A)
申请公布日期
1989.07.04
申请号
JP19870324020
申请日期
1987.12.23
申请人
HITACHI LTD
发明人
KATO YASUTOSHI;SHIMOTAMURA OSAMU
分类号
C21D9/38;B21B27/00
主分类号
C21D9/38
代理机构
代理人
主权项
地址
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