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发明名称
摘要
申请公布号
JPS4922110(U)
申请公布日期
1974.02.25
申请号
JP19720064168U
申请日期
1972.05.30
申请人
发明人
分类号
F27D1/12;F27D11/08;(IPC1-7):F27D1/12
主分类号
F27D1/12
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代理人
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