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发明名称
摘要
申请公布号
SU406077(A1)
申请公布日期
1973.11.05
申请号
SU19711647949
申请日期
1971.04.08
申请人
发明人
分类号
F22B1/30;H05B3/60;(IPC1-7):F22B1/30
主分类号
F22B1/30
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代理人
主权项
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