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发明名称
METALLIC SPACER AND ITS WORKING METHOD
摘要
申请公布号
JPH02137620(A)
申请公布日期
1990.05.25
申请号
JP19880291801
申请日期
1988.11.17
申请人
TOKIN CORP
发明人
SAKURADA KAZUHISA
分类号
B21D22/26;H05K7/04;H05K7/14
主分类号
B21D22/26
代理机构
代理人
主权项
地址
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