Ventilator for truck covers,申请号US19370157406-传众专利搜索

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发明名称	Ventilator for truck covers
摘要
申请公布号	US2119905(A)	申请公布日期	1938.06.07
申请号	US19370157406	申请日期	1937.08.04
申请人	CRAWFORD WILBUR F	发明人	CRAWFORD WILBUR F.
分类号	B60H1/00	主分类号	B60H1/00
代理机构		代理人
主权项
地址

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