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发明名称
Gas safety device
摘要
申请公布号
US2398089(A)
申请公布日期
1946.04.09
申请号
US19430495128
申请日期
1943.07.17
申请人
EDMOND FEHR
发明人
FEHR EDMOND
分类号
F16K17/00
主分类号
F16K17/00
代理机构
代理人
主权项
地址
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