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经营范围
发明名称
MULTIPLE SPEED ROLLER
摘要
申请公布号
JPS55144317(A)
申请公布日期
1980.11.11
申请号
JP19790053637
申请日期
1979.05.01
申请人
KAWASAKI STEEL CO
发明人
SAKAMOTO GUNJI
分类号
B21B39/00;B65G39/00
主分类号
B21B39/00
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