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发明名称
Fire extinguisher
摘要
申请公布号
US2239975(A)
申请公布日期
1941.04.29
申请号
US19390257866
申请日期
1939.02.23
申请人
BERTHA L. MACGREGOR
发明人
ROESSNER WILLIAM LOUIS
分类号
A62C35/60
主分类号
A62C35/60
代理机构
代理人
主权项
地址
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