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经营范围
发明名称
BUTTERFLY VALVE
摘要
申请公布号
GB1508283(A)
申请公布日期
1978.04.19
申请号
GB19760010693
申请日期
1976.03.17
申请人
TOMOE TECH RES CO
发明人
分类号
F16K1/226;(IPC1-7):F16K1/22
主分类号
F16K1/226
代理机构
代理人
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地址
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