Scraping apparatus for arcacetylene furnace,申请号US19620245070-传众专利搜索

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发明名称	Scraping apparatus for arcacetylene furnace
摘要
申请公布号	US3185754(A)	申请公布日期	1965.05.25
申请号	US19620245070	申请日期	1962.12.17
申请人	E. I. DU PONT DE NEMOURS AND COMPANY	发明人	DOUKAS GEORGE;REED RALPH H.
分类号	C07C11/24;H01J37/32	主分类号	C07C11/24
代理机构		代理人
主权项
地址

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