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发明名称
摘要
申请公布号
JPS491965(U)
申请公布日期
1974.01.09
申请号
JP19720040826U
申请日期
1972.04.06
申请人
发明人
分类号
B25C1/04;(IPC1-7):B25C1/04
主分类号
B25C1/04
代理机构
代理人
主权项
地址
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