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发明名称
HOLE SEALING DEVICE
摘要
申请公布号
JPH11319673(A)
申请公布日期
1999.11.24
申请号
JP19980134812
申请日期
1998.05.18
申请人
NEC ENG LTD
发明人
ONO HARUHIKO;ARAI HIROKAZU;ONODERA HIROYUKI;KAI HIROFUMI
分类号
G02F1/1341;B05C5/00;(IPC1-7):B05C5/00;G02F1/134
主分类号
G02F1/1341
代理机构
代理人
主权项
地址
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