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发明名称
Improvements in butterfly valves
摘要
申请公布号
GB901607(A)
申请公布日期
1962.07.18
申请号
GB19570034799
申请日期
1957.11.07
申请人
JAMES GORDON & CO. LIMITED
发明人
MASHEDER HENRY ALBERT
分类号
F16K1/226
主分类号
F16K1/226
代理机构
代理人
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地址
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