Устройство нефтяного отопления,申请号SU19290055782-传众专利搜索

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发明名称	Устройство нефтяного отопления
摘要
申请公布号	SU17560(A1)	申请公布日期	1930.09.30
申请号	SU19290055782	申请日期	1929.10.04
申请人	DROZDOV A.YA.	发明人	DROZDOV A.YA.
分类号		主分类号
代理机构		代理人
主权项
地址

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