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发明名称
摘要
申请公布号	DE2156291(C3)	申请公布日期	1978.07.06
申请号	DE19712156291	申请日期	1971.11.12
申请人	ROLLEI-WERKE FRANKE & HEIDECKE, 3300 BRAUNSCHWEIG	发明人	WEISS, RICHARD, 3300 BRAUNSCHWEIG
分类号	G03B17/17;G03B17/24;(IPC1-7):G03B17/24	主分类号	G03B17/17
代理机构		代理人
主权项
地址

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