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经营范围
发明名称
Improvements in or relating to valve casings with inclined seat and spindle
摘要
申请公布号
GB506075(A)
申请公布日期
1939.05.23
申请号
GB19370033024
申请日期
1937.11.30
申请人
JOHANN ZAGORSKI
发明人
分类号
F16K1/10
主分类号
F16K1/10
代理机构
代理人
主权项
地址
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