Perfectionnements apportés aux escaliers élévateurs mécaniques,申请号FRD1146071-传众专利搜索

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发明名称	Perfectionnements apportés aux escaliers élévateurs mécaniques
摘要
申请公布号	FR1146071(A)	申请公布日期	1957.11.06
申请号	FRD1146071	申请日期	1956.01.30
申请人		发明人	SUNDBERG ERNST
分类号	B66B21/02	主分类号	B66B21/02
代理机构		代理人
主权项
地址

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