Drain for breather type roofs,申请号US19320619378-传众专利搜索

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发明名称	Drain for breather type roofs
摘要
申请公布号	US1976592(A)	申请公布日期	1934.10.09
申请号	US19320619378	申请日期	1932.06.27
申请人	WIGGINS JOHN H	发明人	WIGGINS JOHN H.
分类号	B65D90/00	主分类号	B65D90/00
代理机构		代理人
主权项
地址

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