Joint étanche à bille magnétique,申请号FRD937657-传众专利搜索

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发明名称	Joint étanche à bille magnétique
摘要
申请公布号	FR937657(A)	申请公布日期	1948.08.24
申请号	FRD937657	申请日期	1946.12.27
申请人		发明人	TRICOU JACQUES
分类号	B43K1/08	主分类号	B43K1/08
代理机构		代理人
主权项
地址

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