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发明名称
Verfahren zur Behandlung photographischer Schwarzweissbilder.
摘要
申请公布号
CH171743(A)
申请公布日期
1934.09.15
申请号
CHD171743
申请日期
1933.09.15
申请人
GEVAERT PHOTO PRODUCTEN, NAAMLOOZE VENNOOTSCHAP
发明人
VENNOOTSCHAP GEVAERT PHOTO PRODUCTEN, NAAMLOOZE
分类号
主分类号
代理机构
代理人
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