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发明名称
Nouvel aménagement de salles de spectacle pour la projection de films à la verticale sur écran horizontal ou en plan incliné
摘要
申请公布号
FR1004971(A)
申请公布日期
1952.04.04
申请号
FRD1004971
申请日期
1949.11.15
申请人
发明人
BREDAT VVE
分类号
A63J25/00;E04H3/10
主分类号
A63J25/00
代理机构
代理人
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地址
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