Затвор к замочной скважине,申请号SU19280031672-传众专利搜索

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发明名称	Затвор к замочной скважине
摘要
申请公布号	SU14137(A1)	申请公布日期	1930.03.31
申请号	SU19280031672	申请日期	1928.08.21
申请人	FEDOTOV M.A.	发明人	FEDOTOV M.A.
分类号	E05B21/00	主分类号	E05B21/00
代理机构		代理人
主权项
地址

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