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发明名称
VACUUM VALVE
摘要
申请公布号
JPS5274917(A)
申请公布日期
1977.06.23
申请号
JP19750151367
申请日期
1975.12.18
申请人
AYUMI KOUGIYOU KK
发明人
ABE TAIZOU
分类号
F16K31/40;F04B37/16;F04F9/04;F16K31/42;F16K51/02
主分类号
F16K31/40
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代理人
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