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发明名称
APERFEICOAMENTOS EM OU RELATIVOS A MATERIAIS FOTOGRAFICOS
摘要
申请公布号
BR6574919(D0)
申请公布日期
1973.09.11
申请号
BR19650174919
申请日期
1965.11.17
申请人
WIGGINS TEAPE RESEARCH & DEVELOPMENT LTD
发明人
KEMP G;WIDDICKS M
分类号
G03C1/79;G03C1/91
主分类号
G03C1/79
代理机构
代理人
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