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发明名称
Bildwerfer mit selbsttaetiger Signalgebung
摘要
申请公布号
DE1019168(B)
申请公布日期
1957.11.07
申请号
DE1954W015233
申请日期
1954.11.03
申请人
HELMUT WERBECK
发明人
WERBECK HELMUT
分类号
G03B31/02
主分类号
G03B31/02
代理机构
代理人
主权项
地址
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