Scraper,申请号US19390253006-传众专利搜索

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发明名称	Scraper
摘要
申请公布号	US2224438(A)	申请公布日期	1940.12.10
申请号	US19390253006	申请日期	1939.01.26
申请人	LE BLEU CHARLES	发明人	BLEU CHARLES LE
分类号	E02F3/64	主分类号	E02F3/64
代理机构		代理人
主权项
地址

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