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发明名称
摘要
申请公布号
JPS5028319(Y1)
申请公布日期
1975.08.21
申请号
JP19700119276U
申请日期
1970.12.02
申请人
发明人
分类号
G21C13/032;G21C15/22;(IPC1-7):G21C15/22
主分类号
G21C13/032
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