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经营范围
发明名称
BUTTERFLY VALVE
摘要
申请公布号
JPS5395321(A)
申请公布日期
1978.08.21
申请号
JP19770008633
申请日期
1977.01.31
申请人
HITACHI METALS LTD
发明人
MAEDA TAMOTSU;NAGAMI AKIO
分类号
F16K1/22
主分类号
F16K1/22
代理机构
代理人
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地址
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