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发明名称
摘要
申请公布号
JPH0379057(U)
申请公布日期
1991.08.12
申请号
JP19890137217U
申请日期
1989.11.27
申请人
发明人
分类号
F28D1/053;(IPC1-7):F28D1/053
主分类号
F28D1/053
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代理人
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