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发明名称
METHOD OF PREVENTING ROLL MARK FOR ROLLER LEVEL OF STEEL PRODUCT
摘要
申请公布号
JPS52109470(A)
申请公布日期
1977.09.13
申请号
JP19760026058
申请日期
1976.03.12
申请人
NISSHIN STEEL CO LTD
发明人
HARA AKIRA;ASANO YOSHIKAZU;NAKAGAWA TAKAYOSHI;OKAZAWA KOUJI
分类号
B21D1/02;B21D1/05
主分类号
B21D1/02
代理机构
代理人
主权项
地址
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