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摘要
申请公布号
JPS5268799(U)
申请公布日期
1977.05.21
申请号
JP19750156495U
申请日期
1975.11.18
申请人
发明人
分类号
G21K1/093;G21K1/08;G21K5/00;G21K5/02;(IPC1-7):G21K5/00
主分类号
G21K1/093
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