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发明名称
Improvements in or relating to gas control valve devices
摘要
申请公布号
GB1126642(A)
申请公布日期
1968.09.11
申请号
GB19650040427
申请日期
1965.09.22
申请人
CONTIGEA
发明人
分类号
F23N5/10
主分类号
F23N5/10
代理机构
代理人
主权项
地址
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