야구 연습구,申请号KR19810008331U-传众专利搜索

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发明名称	야구 연습구
摘要	<p>내용 없음.</p>
申请公布号	KR830000582(Y1)	申请公布日期	1983.04.20
申请号	KR19810008331U	申请日期	1981.12.07
申请人		发明人
分类号	A63B63/00;A63B63/02	主分类号	A63B63/00
代理机构		代理人
主权项
地址

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