Kamera zur Innenbeobachtung von Kanalrohren, Schaechten od. dgl.,申请号DE1957I014103-传众专利搜索

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发明名称	Kamera zur Innenbeobachtung von Kanalrohren, Schaechten od. dgl.
摘要
申请公布号	DE1054830(B)	申请公布日期	1959.04.09
申请号	DE1957I014103	申请日期	1957.12.14
申请人	IBAK HELMUT HUNGER	发明人	PFEIFER DIPL.-ING. ERICH;GUELCK ERICH
分类号	G03B37/00	主分类号	G03B37/00
代理机构		代理人
主权项
地址

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