Combined trap and pressure equalizing device,申请号US19300485706-传众专利搜索

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发明名称	Combined trap and pressure equalizing device
摘要
申请公布号	US1910060(A)	申请公布日期	1933.05.23
申请号	US19300485706	申请日期	1930.10.01
申请人	JAS. P. MARSH CORPORATION	发明人	ROSE ALEXANDER D.
分类号	F24D19/08	主分类号	F24D19/08
代理机构		代理人
主权项
地址

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