Virole pour la fixation de l'extrémité intérieure d'un spiral.,申请号CHD287610-传众专利搜索

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发明名称	Virole pour la fixation de l'extrémité intérieure d'un spiral.
摘要
申请公布号	CH287610(A)	申请公布日期	1952.12.15
申请号	CHD287610	申请日期	1950.09.11
申请人	ERISMANN,GERARD	发明人	ERISMANN,GERARD
分类号	G04B17/34	主分类号	G04B17/34
代理机构		代理人
主权项
地址

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