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发明名称
摘要
申请公布号
JPS49145075(U)
申请公布日期
1974.12.13
申请号
JP19730044237U
申请日期
1973.04.14
申请人
发明人
分类号
F16B21/10;F16B21/12;(IPC1-7):F16B21/12
主分类号
F16B21/10
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代理人
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