Balling apparatus and process,申请号US19520267842-传众专利搜索

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发明名称	Balling apparatus and process
摘要
申请公布号	US2728940(A)	申请公布日期	1956.01.03
申请号	US19520267842	申请日期	1952.01.23
申请人	OGLEBAY, NORTON AND COMPANY	发明人	YESBERGER LLOYD A.;WYNNE IRA H.
分类号	C22B1/24	主分类号	C22B1/24
代理机构		代理人
主权项
地址

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