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经营范围
发明名称
An improved goggle valve
摘要
申请公布号
GB681844(A)
申请公布日期
1952.10.29
申请号
GB19490023216
申请日期
1949.09.07
申请人
JOHN MILES & PARTNERS (LONDON) LIMITED;GEORGE HOOKHAM
发明人
分类号
F16K3/10
主分类号
F16K3/10
代理机构
代理人
主权项
地址
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