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经营范围
发明名称
Fire extinguisher
摘要
申请公布号
US2560407(A)
申请公布日期
1951.07.10
申请号
US19490093325
申请日期
1949.05.14
申请人
RANDOLPH LABORATORIES, INC.
发明人
BOAL STEWART
分类号
A62C13/00
主分类号
A62C13/00
代理机构
代理人
主权项
地址
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