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经营范围
发明名称
MULTIPLE ROLL
摘要
申请公布号
JPS5478349(A)
申请公布日期
1979.06.22
申请号
JP19770145172
申请日期
1977.12.05
申请人
JAPAN STEEL WORKS LTD
发明人
GOTOU HIROSHI
分类号
B21B27/00;B21B27/02;B23K9/04;B23K20/00
主分类号
B21B27/00
代理机构
代理人
主权项
地址
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