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发明名称
摘要
申请公布号
JPS543468(B2)
申请公布日期
1979.02.23
申请号
JP19730123069
申请日期
1973.11.01
申请人
发明人
分类号
B32B15/01;B21D47/04;B23K20/00;B23K20/04;B32B15/18
主分类号
B32B15/01
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代理人
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