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发明名称
摘要
申请公布号
JPS53140127(U)
申请公布日期
1978.11.06
申请号
JP19770046218U
申请日期
1977.04.12
申请人
发明人
分类号
B21B31/08;B21B31/00;F16C33/02;F16L57/00;F16N21/00;(IPC1-7):F16C33/02
主分类号
B21B31/08
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代理人
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