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经营范围
发明名称
7-amino and 7-hydroxy-1, 3, 4-triazaindolizines as stabilizers for photographic silver-halide emulsions
摘要
申请公布号
US2449225(A)
申请公布日期
1948.09.14
申请号
US19460704933
申请日期
1946.10.22
申请人
GENERAL ANILINE & FILM CORPORATION
发明人
HEIMBACH NEWTON;JR. WALTER KELLY,
分类号
G03C1/34
主分类号
G03C1/34
代理机构
代理人
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