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发明名称
Огнетушитель для вспыхнув шей кинопленки в кинопроекторе
摘要
申请公布号
SU21670(A1)
申请公布日期
1931.07.31
申请号
SU19300065778
申请日期
1930.03.05
申请人
BALAKIN P.I.
发明人
BALAKIN P.I.
分类号
G03B21/18
主分类号
G03B21/18
代理机构
代理人
主权项
地址
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