Apparatus for launching balloons,申请号US19570660022-传众专利搜索

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发明名称	Apparatus for launching balloons
摘要
申请公布号	US2967677(A)	申请公布日期	1961.01.10
申请号	US19570660022	申请日期	1957.05.13
申请人	WINZEN RESEARCH, INC.	发明人	WINZEN OTTO C.;HAWKINS RAYMOND C.
分类号	B64B1/62;B64D1/02	主分类号	B64B1/62
代理机构		代理人
主权项
地址

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