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发明名称
Improvements in or relating to Butterfly Valves
摘要
申请公布号
GB1152146(A)
申请公布日期
1969.05.14
申请号
GB19670044792
申请日期
1967.10.02
申请人
KAZUO KITAZAWA
发明人
KAZUO KITAZAWA
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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