,申请号JP19840143893U-传众专利搜索

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发明名称
摘要
申请公布号	JPH0217359(Y2)	申请公布日期	1990.05.15
申请号	JP19840143893U	申请日期	1984.09.21
申请人		发明人
分类号	G21C19/32;E01B11/42;G21C13/02;G21C19/02;G21C19/20;(IPC1-7):G21C19/02	主分类号	G21C19/32
代理机构		代理人
主权项
地址

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