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发明名称
摘要
申请公布号
JPH0490705(U)
申请公布日期
1992.08.07
申请号
JP19900406443U
申请日期
1990.12.20
申请人
发明人
分类号
F16B1/02;F16B2/24;(IPC1-7):F16B1/02
主分类号
F16B1/02
代理机构
代理人
主权项
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