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发明名称
摘要
申请公布号
JPH0479009(U)
申请公布日期
1992.07.09
申请号
JP19900121791U
申请日期
1990.11.22
申请人
发明人
分类号
B23D21/00;B23D36/00;(IPC1-7):B23D21/00
主分类号
B23D21/00
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