Wall cake cutter,申请号US19560616023-传众专利搜索

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发明名称	Wall cake cutter
摘要
申请公布号	US2982359(A)	申请公布日期	1961.05.02
申请号	US19560616023	申请日期	1956.10.15
申请人	ASCO AUTOMATIC SPECIALTIES CORPORATION	发明人	SEWARD EDWIN R.;GAINER WILLIAM C.
分类号	E21B37/02	主分类号	E21B37/02
代理机构		代理人
主权项
地址

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