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发明名称
Safety valves
摘要
申请公布号
GB325575(A)
申请公布日期
1930.02.24
申请号
GB19280034330
申请日期
1928.11.22
申请人
R.L. ROSS AND COMPANY LIMITED;WILLIAM HARGREAVES
发明人
分类号
F16K17/10
主分类号
F16K17/10
代理机构
代理人
主权项
地址
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