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发明名称
A DEVICE FOR DETECTION AND EXTINGUISHING OF SPARKS IN CONVEYING WAYS,ESPECIALLY IN VENTILATION AND DEDUSTING PIPES,AND IN PNEUMATIC CONVEYING WAYS
摘要
申请公布号
PL262020(A1)
申请公布日期
1988.07.21
申请号
PL19860262020
申请日期
1986.10.22
申请人
发明人
分类号
A62C;G08B;G08C;(IPC1-7):G08B/;A62C/;G08C/
主分类号
A62C
代理机构
代理人
主权项
地址
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