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发明名称
Fuel supply system for gas fired heating plants and valve therefor
摘要
申请公布号
US2487323(A)
申请公布日期
1949.11.08
申请号
US19470784491
申请日期
1947.11.06
申请人
FEWELL VERNA F
发明人
FEWELL VERNA F.
分类号
F16K31/06
主分类号
F16K31/06
代理机构
代理人
主权项
地址
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