Grain door and associated mechanism,申请号US19340741692-传众专利搜索

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发明名称	Grain door and associated mechanism
摘要
申请公布号	US2029229(A)	申请公布日期	1936.01.28
申请号	US19340741692	申请日期	1934.08.27
申请人	GEORGE GERLIP	发明人	GERLIP GEORGE
分类号	B61D19/00	主分类号	B61D19/00
代理机构		代理人
主权项
地址

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