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经营范围
发明名称
DIFFUSION FURNACE
摘要
申请公布号
JPH03148114(A)
申请公布日期
1991.06.24
申请号
JP19890286226
申请日期
1989.11.02
申请人
NEC CORP
发明人
KAWASE YASUYOSHI
分类号
H01L21/22
主分类号
H01L21/22
代理机构
代理人
主权项
地址
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