Automatic valve for locomotive sanders,申请号US19300489653-传众专利搜索

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发明名称	Automatic valve for locomotive sanders
摘要
申请公布号	US1938287(A)	申请公布日期	1933.12.05
申请号	US19300489653	申请日期	1930.10.18
申请人	GRAHAM-WHITE SANDER CORPORATION	发明人	FRANTZ VIRGIL L.
分类号	B61C15/10	主分类号	B61C15/10
代理机构		代理人
主权项
地址

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