New or improved smoke-producing devices for use in obtaining ground wind indication from the air,申请号GB19280031796-传众专利搜索

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发明名称	New or improved smoke-producing devices for use in obtaining ground wind indication from the air
摘要
申请公布号	GB326161(A)	申请公布日期	1930.03.03
申请号	GB19280031796	申请日期	1928.11.01
申请人	JACK ARMOUR	发明人
分类号	B64F1/18	主分类号	B64F1/18
代理机构		代理人
主权项
地址

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