SPRING TYPE BALL-PITCHING APPARATUS,申请号US19760688128-传众专利搜索

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发明名称	SPRING TYPE BALL-PITCHING APPARATUS
摘要
申请公布号	US4082076(A)	申请公布日期	1978.04.04
申请号	US19760688128	申请日期	1976.05.20
申请人	PERRY, JACK A.	发明人	PERRY, JACK A.
分类号	A63B69/40;F41B3/03;(IPC1-7):F41B3/02	主分类号	A63B69/40
代理机构		代理人
主权项
地址

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