Perfectionnements dans la fabrication des ciments portland artificiels,申请号FRD690021-传众专利搜索

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发明名称	Perfectionnements dans la fabrication des ciments portland artificiels
摘要
申请公布号	FR690021(A)	申请公布日期	1930.09.15
申请号	FRD690021	申请日期	1930.02.15
申请人	SOCIETE DES CIMENTS PORTLAND ARTIFICIELS DE COUZON	发明人
分类号	C04B7/38	主分类号	C04B7/38
代理机构		代理人
主权项
地址

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