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发明名称
écran de projections cinématographiques, démontable, pour amateurs ou semi-professionnels
摘要
申请公布号
FR1244803(A)
申请公布日期
1960.10.28
申请号
FR19600815257
申请日期
1960.01.09
申请人
发明人
LOCHESE ALBERT-FELIX-CARMEL
分类号
G03B21/58
主分类号
G03B21/58
代理机构
代理人
主权项
地址
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