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发明名称
摘要
申请公布号
JPS5738329(B2)
申请公布日期
1982.08.14
申请号
JP19730011218
申请日期
1973.01.29
申请人
发明人
分类号
B21D13/06;B21D5/14;B21D13/04;E04C2/30
主分类号
B21D13/06
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