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经营范围
发明名称
Röntgenfilm mit zwei lichtempfindlichen Schichten.
摘要
申请公布号
CH150631(A)
申请公布日期
1931.11.15
申请号
CHD150631
申请日期
1930.10.01
申请人
JAEGER,WALTER,DR.
发明人
JAEGER,WALTER,DR.
分类号
G03C1/46
主分类号
G03C1/46
代理机构
代理人
主权项
地址
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