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发明名称
APPARATUS FOR DETECTING PRESSUREETIGHTNESS AND EXTREMELY LOW PRESSURE
摘要
申请公布号
JPS52132883(A)
申请公布日期
1977.11.07
申请号
JP19760048448
申请日期
1976.04.30
申请人
MITSUBISHI HEAVY IND LTD
发明人
HAYASHI KOUICHIROU
分类号
G01L7/00
主分类号
G01L7/00
代理机构
代理人
主权项
地址
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