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发明名称
Vorrichtung zur Aufnahme und Wiedergabe von einreihig und zweireihig perforiertem Film
摘要
申请公布号
DE633127(C)
申请公布日期
1936.07.20
申请号
DE1933K129303D
申请日期
1933.03.05
申请人
WILHELM WURM
发明人
分类号
G03B1/50
主分类号
G03B1/50
代理机构
代理人
主权项
地址
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