METHOD AND APPARATUS FOR THE PRODUCTION OF SONIC OR ULTRASONIC WAVES ON A SURFACE,申请号USD3503804-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR THE PRODUCTION OF SONIC OR ULTRASONIC WAVES ON A SURFACE
摘要
申请公布号	US3503804(A)	申请公布日期	1970.03.31
申请号	USD3503804	申请日期	1967.04.25
申请人	HELLMUT SCHNEIDER	发明人	HELLMUT SCHNEIDER
分类号	B05B7/22;B23K26/14;G10K15/04;(IPC1-7):B08B7/04;B05B17/04	主分类号	B05B7/22
代理机构		代理人
主权项
地址

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