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发明名称
Verfahren zum Bestimmen des Brechungsindex der obersten Dünnschicht einer mehrlagigen Schicht
摘要
申请公布号
DE3834948(C2)
申请公布日期
1999.11.11
申请号
DE19883834948
申请日期
1988.10.13
申请人
RICOH CO., LTD.
发明人
ISOBE, TAMI
分类号
G01N21/21;G01N21/41;(IPC1-7):G01N21/41;G01J3/447
主分类号
G01N21/21
代理机构
代理人
主权项
地址
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