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发明名称
BALL FORM VALVE AND ITS MAKING METHOD
摘要
申请公布号
JPS52136426(A)
申请公布日期
1977.11.15
申请号
JP19760053310
申请日期
1976.05.12
申请人
HITACHI METALS LTD
发明人
SAKA YOSHIMI
分类号
F16K27/06;B29C35/00;B29C45/00;B29C45/14;F16K5/06
主分类号
F16K27/06
代理机构
代理人
主权项
地址
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