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发明名称
摘要
申请公布号
JPS495694(B1)
申请公布日期
1974.02.08
申请号
JP19700031803
申请日期
1970.04.14
申请人
发明人
分类号
H01H21/28;F24C7/02
主分类号
H01H21/28
代理机构
代理人
主权项
地址
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