Устройство вентиляционных и т.п. каналов в массивных стенах зданий,申请号SU19410307112-传众专利搜索

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发明名称	Устройство вентиляционных и т.п. каналов в массивных стенах зданий
摘要
申请公布号	SU65270(A1)	申请公布日期	1944.11.30
申请号	SU19410307112	申请日期	1941.04.23
申请人	BALAKSHINA E.S.;KARTASHOV K.N.	发明人	BALAKSHINA E.S.;KARTASHOV K.N.
分类号	E04F17/04	主分类号	E04F17/04
代理机构		代理人
主权项
地址

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