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发明名称
摘要
申请公布号
JPS4825872(A)
申请公布日期
1973.04.04
申请号
JP19710061158
申请日期
1971.08.12
申请人
发明人
分类号
H01H13/52;H01H13/12
主分类号
H01H13/52
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