Perfectionnement à la fabrication du papier,申请号FRD1147779-传众专利搜索

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发明名称	Perfectionnement à la fabrication du papier
摘要
申请公布号	FR1147779(A)	申请公布日期	1957.11.29
申请号	FRD1147779	申请日期	1956.04.19
申请人	HERCULES POWDER COMPANY	发明人
分类号	D21H11/20	主分类号	D21H11/20
代理机构		代理人
主权项
地址

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