Baseball pitching machine,申请号US19560620234-传众专利搜索

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发明名称	Baseball pitching machine
摘要
申请公布号	US2877757(A)	申请公布日期	1959.03.17
申请号	US19560620234	申请日期	1956.11.05
申请人	GIOVAGNOLI PAUL S	发明人	GIOVAGNOLI PAUL S.
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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