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发明名称
DRAIN VALVE IN VACUUM PIPING SYSTEM AND DRAINAGE STRUCTURE
摘要
申请公布号
JPH07251374(A)
申请公布日期
1995.10.03
申请号
JP19940045302
申请日期
1994.03.16
申请人
SUMITOMO SITIX CORP
发明人
FUKUO MASATOSHI
分类号
B23Q3/08;B24B57/00;B25J15/06;F16L55/07;F16T1/00;H01L21/304;H01L21/306;(IPC1-7):B24B57/00
主分类号
B23Q3/08
代理机构
代理人
主权项
地址
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