Door lifting and tilting device,申请号US19420433527-传众专利搜索

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发明名称	Door lifting and tilting device
摘要
申请公布号	US2344903(A)	申请公布日期	1944.03.21
申请号	US19420433527	申请日期	1942.03.05
申请人	AMERICAN CAR AND FOUNDRY COMPANY	发明人	SHIELDS ROBERT A.
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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