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经营范围
发明名称
VORRICHTUNG ZUM BESTIMMEN EINES FARBFILTERWERTES FUER DIE BELICHTUNG EINES GRADATIONSWANDELPAPIERES
摘要
申请公布号
DE3942635(A1)
申请公布日期
1991.06.27
申请号
DE19893942635
申请日期
1989.12.22
申请人
BBS AG INTERNATIONAL, MAUREN, LI
发明人
BRUGGER, GERHARD, 8183 ROTTACH-EGERN, DE;SCHMERLER, DETLEV, MAUREN, LI
分类号
G03B27/73
主分类号
G03B27/73
代理机构
代理人
主权项
地址
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