Paquetage hermétique pour arbre traversant une paroi d'un contenant pour matériaux granuleux et poussiéreux.,申请号CHD276502-传众专利搜索

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发明名称	Paquetage hermétique pour arbre traversant une paroi d'un contenant pour matériaux granuleux et poussiéreux.
摘要
申请公布号	CH276502(A)	申请公布日期	1951.07.15
申请号	CHD276502	申请日期	1949.02.25
申请人	STEIGER,ARTHUR	发明人	STEIGER,ARTHUR
分类号	F16J15/447	主分类号	F16J15/447
代理机构		代理人
主权项
地址

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