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发明名称
摘要
申请公布号
JPS57119146(U)
申请公布日期
1982.07.23
申请号
JP19810006133U
申请日期
1981.01.20
申请人
发明人
分类号
F16F9/44;(IPC1-7):F16F9/44
主分类号
F16F9/44
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