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发明名称
GAS CLEANING PROCESS
摘要
申请公布号
JPH0472727(A)
申请公布日期
1992.03.06
申请号
JP19900186516
申请日期
1990.07.13
申请人
SEIKO EPSON CORP
发明人
IWAMATSU SEIICHI
分类号
H01L21/304
主分类号
H01L21/304
代理机构
代理人
主权项
地址
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