Exhaust valve for lamp making machines,申请号US19360087702-传众专利搜索

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发明名称	Exhaust valve for lamp making machines
摘要
申请公布号	US2113798(A)	申请公布日期	1938.04.12
申请号	US19360087702	申请日期	1936.06.27
申请人	WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY	发明人	MULLAN DANIEL
分类号	H01J9/385	主分类号	H01J9/385
代理机构		代理人
主权项
地址

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