Combined cock and switch device,申请号US19300435765-传众专利搜索

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发明名称	Combined cock and switch device
摘要
申请公布号	US1919406(A)	申请公布日期	1933.07.25
申请号	US19300435765	申请日期	1930.03.14
申请人	THE WESTINGHOUSE AIR BRAKE COMPANY	发明人	WOERNLEY HARRY F.
分类号	B61G5/10	主分类号	B61G5/10
代理机构		代理人
主权项
地址

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