Mécanisme d'enroulement perfectionné à vitesse variable,申请号FRD752496-传众专利搜索

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发明名称	Mécanisme d'enroulement perfectionné à vitesse variable
摘要
申请公布号	FR752496(A)	申请公布日期	1933.09.23
申请号	FRD752496	申请日期	1933.03.15
申请人		发明人	DREYFUS HENRY
分类号	D06B23/00	主分类号	D06B23/00
代理机构		代理人
主权项
地址

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