Mécanisme de durée de sonnerie,申请号FRD1007419-传众专利搜索

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发明名称	Mécanisme de durée de sonnerie
摘要
申请公布号	FR1007419(A)	申请公布日期	1952.05.06
申请号	FRD1007419	申请日期	1949.12.24
申请人		发明人	ROBLIN FERNAND;HUBER MAURICE
分类号	G04B23/10	主分类号	G04B23/10
代理机构		代理人
主权项
地址

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