Toy oil drilling apparatus,申请号US19640346611-传众专利搜索

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发明名称	Toy oil drilling apparatus
摘要
申请公布号	US3292301(A)	申请公布日期	1966.12.20
申请号	US19640346611	申请日期	1964.02.24
申请人	FREEMAN LLOYD E	发明人	FREEMAN LLOYD E.
分类号	A63H17/12	主分类号	A63H17/12
代理机构		代理人
主权项
地址

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