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发明名称
MANUFACTURE OF SPECIAL SECTION STEEL SHEET
摘要
申请公布号
JPH02133103(A)
申请公布日期
1990.05.22
申请号
JP19880286525
申请日期
1988.11.11
申请人
SUMITOMO METAL IND LTD
发明人
AMAGASAKI JUNZO
分类号
B21B1/22;B21H8/00;C21D8/02
主分类号
B21B1/22
代理机构
代理人
主权项
地址
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