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发明名称
AIRTIGHT SEAL DEVICE
摘要
申请公布号
JPS5541740(A)
申请公布日期
1980.03.24
申请号
JP19780114667
申请日期
1978.09.20
申请人
HITACHI LTD
发明人
IWAMURA RIYOUJI;KAMATA MITSUNARI;HONDA MICHIHARU
分类号
B23K20/00;H01L23/02;H01L23/10
主分类号
B23K20/00
代理机构
代理人
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