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发明名称
摘要
申请公布号
BE699896(A)
申请公布日期
1967.11.16
申请号
BED699896
申请日期
1967.06.14
申请人
发明人
分类号
F01L7/02;F16H27/06;G03B21/32
主分类号
F01L7/02
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