Air relief means for doors,申请号US19530385098-传众专利搜索

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法人/股东/高管

发明名称	Air relief means for doors
摘要
申请公布号	US2798422(A)	申请公布日期	1957.07.09
申请号	US19530385098	申请日期	1953.10.09
申请人	VALMORE BOURQUE	发明人	BOURQUE VALMORE
分类号	E06B7/06	主分类号	E06B7/06
代理机构		代理人
主权项
地址

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