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经营范围
发明名称
Miner's lamp
摘要
申请公布号
US2608849(A)
申请公布日期
1952.09.02
申请号
US19500156006
申请日期
1950.04.14
申请人
KOEHLER MANUFACTURING COMPANY
发明人
WHEAT GRANT;DAVIS ARTHUR G.
分类号
F21L23/00
主分类号
F21L23/00
代理机构
代理人
主权项
地址
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