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摘要
申请公布号
JPS6238041(B2)
申请公布日期
1987.08.15
申请号
JP19770144254
申请日期
1977.11.30
申请人
KAWASAKI STEEL CO
发明人
TAKABAYASHI SHIGENOBU
分类号
B21B1/38;B21B37/00
主分类号
B21B1/38
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