Shelters,申请号US19550545445-传众专利搜索

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发明名称	Shelters
摘要
申请公布号	US2903874(A)	申请公布日期	1959.09.15
申请号	US19550545445	申请日期	1955.11.07
申请人	HEINRICH DRAGER OTTO	发明人	DRAGER OTTO HEINRICH
分类号	E04H9/12	主分类号	E04H9/12
代理机构		代理人
主权项
地址

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