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经营范围
发明名称
摘要
申请公布号
JPS4420723(Y1)
申请公布日期
1969.09.04
申请号
JP19680067008U
申请日期
1968.08.06
申请人
发明人
分类号
F22B37/24;(IPC1-7):F22B37/24
主分类号
F22B37/24
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代理人
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地址
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