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发明名称
摘要
申请公布号
JPS4970056(A)
申请公布日期
1974.07.06
申请号
JP19730107857
申请日期
1973.09.25
申请人
发明人
分类号
F16H31/00;G04C13/10
主分类号
F16H31/00
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