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发明名称
摘要
申请公布号
JPH02146202(U)
申请公布日期
1990.12.12
申请号
JP19890055987U
申请日期
1989.05.16
申请人
发明人
分类号
F15B15/26;F16C29/04;F16D63/00;(IPC1-7):F15B15/26
主分类号
F15B15/26
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代理人
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