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发明名称
IMPROVEMENTS IN OR RELATING TO BUTTERFLY VALVES
摘要
申请公布号
GB1299235(A)
申请公布日期
1972.12.13
申请号
GB19700053662
申请日期
1970.11.11
申请人
EATON YALE & TOWNE INC.
发明人
分类号
F16K1/226;F16K1/22
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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