Hoisting apparatus for replacing structural beams,申请号US19320641656-传众专利搜索

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法人/股东/高管

发明名称	Hoisting apparatus for replacing structural beams
摘要
申请公布号	US2071461(A)	申请公布日期	1937.02.23
申请号	US19320641656	申请日期	1932.11.07
申请人	GUEST WALTER C;GUEST ROMEO H	发明人	GUEST WALTER C.;GUEST ROMEO H.
分类号	B66C7/00	主分类号	B66C7/00
代理机构		代理人
主权项
地址

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