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摘要
申请公布号
JPS614734(B2)
申请公布日期
1986.02.13
申请号
JP19770130484
申请日期
1977.10.31
申请人
KAWASAKI STEEL CO
发明人
KUROTSU RYOJI;WATANABE TOSHIO
分类号
B21D43/22;B23D33/00;B65H29/22;B65H31/00
主分类号
B21D43/22
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