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发明名称
摘要
申请公布号
GB1295612(A)
申请公布日期
1972.11.08
申请号
GBD1295612
申请日期
1971.06.08
申请人
发明人
分类号
C23C28/00;F01D25/00;F16C33/04
主分类号
C23C28/00
代理机构
代理人
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地址
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