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发明名称
SEALING DEVICE FOR CONTINUOUS VACUUM TREATING DEVICE
摘要
申请公布号
JPH044032(A)
申请公布日期
1992.01.08
申请号
JP19900103150
申请日期
1990.04.20
申请人
HITACHI LTD
发明人
KITSUNAI HIROYUKI
分类号
B01J3/02;C08J7/00;(IPC1-7):B01J3/02
主分类号
B01J3/02
代理机构
代理人
主权项
地址
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