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经营范围
发明名称
Improvements in or relating to steam stop valves
摘要
申请公布号
GB376021(A)
申请公布日期
1932.07.07
申请号
GB19310020137
申请日期
1931.07.13
申请人
JOHN WILLIAM YOUNG;RICHARD LESLIE BROWN;ASSOCIATED ELECTRICAL INDUSTRIES LIMITED;HOPKINSONS LIMITED
发明人
分类号
F16K1/44
主分类号
F16K1/44
代理机构
代理人
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地址
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