SELF-CENTERING ROLL HOLDER,申请号CA19740190830-传众专利搜索

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发明名称	SELF-CENTERING ROLL HOLDER
摘要
申请公布号	CA1012947(A)	申请公布日期	1977.06.28
申请号	CA19740190830	申请日期	1974.01.24
申请人	VAN DYK RESEARCH CORPORATION	发明人	ERNY, DANIEL R.
分类号		主分类号
代理机构		代理人
主权项
地址

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