Procédé de fabrication de matières de grande porosité,申请号FRD686345-传众专利搜索

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发明名称	Procédé de fabrication de matières de grande porosité
摘要
申请公布号	FR686345(A)	申请公布日期	1930.07.24
申请号	FRD686345	申请日期	1929.12.09
申请人	RHEINHOLD & CO	发明人
分类号	C04B38/00	主分类号	C04B38/00
代理机构		代理人
主权项
地址

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