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发明名称
Fire extinguisher
摘要
申请公布号
US1803025(A)
申请公布日期
1931.04.28
申请号
US19280284481
申请日期
1928.06.11
申请人
LEWIS JAMES O;DUNN IRWIN L
发明人
LEWIS JAMES O.;DUNN IRWIN L.
分类号
E21B35/00
主分类号
E21B35/00
代理机构
代理人
主权项
地址
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