Perfectionnement aux meules en agglomérés magnésiens,申请号FRD857685-传众专利搜索

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发明名称	Perfectionnement aux meules en agglomérés magnésiens
摘要
申请公布号	FR857685(A)	申请公布日期	1940.09.24
申请号	FRD857685	申请日期	1939.07.11
申请人	SOCIETE GENERALE DES AGGLOMERES MAGNESIENS	发明人	DUPREY ALFRED
分类号	B24D3/12	主分类号	B24D3/12
代理机构		代理人
主权项
地址

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