Safety appliance for locomotives,申请号US19290396323-传众专利搜索

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发明名称	Safety appliance for locomotives
摘要
申请公布号	US1773753(A)	申请公布日期	1930.08.26
申请号	US19290396323	申请日期	1929.09.30
申请人	ROBINSON JAY G	发明人	ROBINSON JAY G.
分类号	F22B37/44	主分类号	F22B37/44
代理机构		代理人
主权项
地址

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