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发明名称
SLOW CLOSING CHECK VALVE
摘要
申请公布号
JPS5747072(A)
申请公布日期
1982.03.17
申请号
JP19800121139
申请日期
1980.09.03
申请人
HITACHI SEISAKUSHO KK
发明人
YAMAGUCHI KOUHEI
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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