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发明名称
摘要
申请公布号
DD126215(A1)
申请公布日期
1977.06.29
申请号
DD19760194621
申请日期
1976.09.03
申请人
发明人
分类号
F01L1/32;F16C19/36;F16C27/08;F16C33/66;F16C35/073;(IPC1-7):F16C31/00
主分类号
F01L1/32
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