Ball-pitching machine with trajectory-controlling means,申请号US19640398843-传众专利搜索

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发明名称	Ball-pitching machine with trajectory-controlling means
摘要
申请公布号	US3261340(A)	申请公布日期	1966.07.19
申请号	US19640398843	申请日期	1964.09.24
申请人	LAIRD ROY C	发明人	LAIRD ROY C.
分类号	A63B69/40	主分类号	A63B69/40
代理机构		代理人
主权项
地址

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