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发明名称
摘要
申请公布号
GB1228829(A)
申请公布日期
1971.04.21
申请号
GBD1228829
申请日期
1968.08.19
申请人
发明人
分类号
F25B15/06;F25B43/04
主分类号
F25B15/06
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地址
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