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经营范围
发明名称
Improvements in gas valves
摘要
申请公布号
GB483831(A)
申请公布日期
1938.04.27
申请号
GB19360029420
申请日期
1936.10.29
申请人
THE HORSTMANN GEAR CO., LIMITED;FREDERICK OTTO HORSTMANN;JOHN HERMANN GUSTAV HORSTMANN;BEVAN GRAHAM HORSTMANN
发明人
分类号
F23Q21/00
主分类号
F23Q21/00
代理机构
代理人
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地址
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