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发明名称
Improvements in or relating to gas cocks
摘要
申请公布号
GB502691(A)
申请公布日期
1939.03.22
申请号
GB19370025745
申请日期
1937.09.22
申请人
OMNIA MANUFACTURING COMPANY LIMITED;FREDERICK WALTER CHAPMAN
发明人
分类号
F16K35/02
主分类号
F16K35/02
代理机构
代理人
主权项
地址
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