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发明名称
摘要
申请公布号
JPS572445(B2)
申请公布日期
1982.01.16
申请号
JP19750091074
申请日期
1975.07.28
申请人
发明人
分类号
B23D21/04;B23B5/14;B23D21/00;B23D79/12;B26D3/16
主分类号
B23D21/04
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代理人
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