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发明名称
EXPLOSIMETER ELECTRIC CIRCUIT ARRANGEMENT
摘要
申请公布号
PL137177(B1)
申请公布日期
1986.05.31
申请号
PL19820236429
申请日期
1982.05.11
申请人
发明人
分类号
E21F17/18;G01N;G01N27/16;G08B21/00;(IPC1-7):G08B21/00
主分类号
E21F17/18
代理机构
代理人
主权项
地址
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