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发明名称
Explosion-proof headlamp and power source
摘要
申请公布号
US3209138(A)
申请公布日期
1965.09.28
申请号
US19620171048
申请日期
1962.02.05
申请人
WELCH ALLYN, INC.
发明人
MOORE WILLIAM C.;PILGRIM WILLIAM S.
分类号
F21L14/00;F21V25/12
主分类号
F21L14/00
代理机构
代理人
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地址
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