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发明名称
摘要
申请公布号
JPS533478(B2)
申请公布日期
1978.02.07
申请号
JP19730050743
申请日期
1973.05.09
申请人
发明人
分类号
G21C3/30;G21C3/33
主分类号
G21C3/30
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代理人
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地址
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