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发明名称
摘要
申请公布号
JPH0335990(Y2)
申请公布日期
1991.07.30
申请号
JP19850197487U
申请日期
1985.12.24
申请人
发明人
分类号
F28D5/00;F28D3/00;(IPC1-7):F28D3/00
主分类号
F28D5/00
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代理人
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