Improvements in pulping engines and refiners,申请号GB19510008052-传众专利搜索

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发明名称	Improvements in pulping engines and refiners
摘要
申请公布号	GB700997(A)	申请公布日期	1953.12.16
申请号	GB19510008052	申请日期	1951.04.06
申请人	DOUGLAS FRASER	发明人
分类号	D21D1/02	主分类号	D21D1/02
代理机构		代理人
主权项
地址

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