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发明名称
SMOKE GENERATING TUBE
摘要
申请公布号
US3658719(A)
申请公布日期
1972.04.25
申请号
USD3658719
申请日期
1969.10.09
申请人
MINE SAFETY APPLIANCES CO.
发明人
PAUL W. MCCONNAUGHEY
分类号
G08B5/40;C06D3/00;F41H9/06;(IPC1-7):B01D/;B01F/;B01J13/00
主分类号
G08B5/40
代理机构
代理人
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