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发明名称
摘要
申请公布号
JPH03117714(U)
申请公布日期
1991.12.05
申请号
JP19900027869U
申请日期
1990.03.19
申请人
发明人
分类号
G01B21/20;B21C51/00;G01B5/12;G01B5/20;G01B21/14;G21C17/00;G21C17/003;(IPC1-7):G01B21/20
主分类号
G01B21/20
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代理人
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地址
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