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经营范围
发明名称
AIRTIGHTNESS TESTER OF SEAL BODY
摘要
申请公布号
JPH0254141(A)
申请公布日期
1990.02.23
申请号
JP19880205293
申请日期
1988.08.17
申请人
NEC CORP
发明人
MIKAMI NOBUO
分类号
G01M3/24
主分类号
G01M3/24
代理机构
代理人
主权项
地址
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