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经营范围
发明名称
POROUS CERAMICS HEATING MEDIUM
摘要
申请公布号
KR930005864(B1)
申请公布日期
1993.06.25
申请号
KR19890015869
申请日期
1989.11.02
申请人
TOA ENTERPRISES CO., LTD.
发明人
SUEMATSU, MIZURU;ISHII, KOICHI
分类号
C04B38/06;(IPC1-7):C04B38/06
主分类号
C04B38/06
代理机构
代理人
主权项
地址
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