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摘要
申请公布号
JPS57100420(U)
申请公布日期
1982.06.21
申请号
JP19800175273U
申请日期
1980.12.06
申请人
发明人
分类号
B23C3/12;B21D28/00;B22D31/00;(IPC1-7):B23C3/12
主分类号
B23C3/12
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