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发明名称
Photographisches Material zur Herstellung von silberfreien photographischen Schwarzweissbildern.
摘要
申请公布号
CH218096(A)
申请公布日期
1941.11.30
申请号
CHD218096
申请日期
1937.11.26
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT I. G. FARBENINDUSTRIE
分类号
G03C7/30;G03C7/32
主分类号
G03C7/30
代理机构
代理人
主权项
地址
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