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发明名称
摘要
申请公布号
JPS58140312(U)
申请公布日期
1983.09.21
申请号
JP19820037787U
申请日期
1982.03.17
申请人
发明人
分类号
F16B7/20;F16B7/22;G21F7/06;(IPC1-7):F16B7/22
主分类号
F16B7/20
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