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发明名称
VALVE DEVICE
摘要
申请公布号
JPS56113875(A)
申请公布日期
1981.09.08
申请号
JP19800015400
申请日期
1980.02.13
申请人
HITACHI LTD
发明人
CHIBA ATSUSHI
分类号
F16K31/145;F16K31/122
主分类号
F16K31/145
代理机构
代理人
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地址
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