Предохранительное приспособление впереди трамвайного вагона,申请号SU19300059899-传众专利搜索

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发明名称	Предохранительное приспособление впереди трамвайного вагона
摘要
申请公布号	SU30293(A1)	申请公布日期	1933.05.31
申请号	SU19300059899	申请日期	1930.12.17
申请人	ZELENIN N.M.	发明人	ZELENIN N.M.
分类号	B61F19/06	主分类号	B61F19/06
代理机构		代理人
主权项
地址

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