Scaffold hoisting mechanism,申请号US19490102488-传众专利搜索

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发明名称	Scaffold hoisting mechanism
摘要
申请公布号	US2662732(A)	申请公布日期	1953.12.15
申请号	US19490102488	申请日期	1949.07.01
申请人	WILBERD F. FEIGENBAUM	发明人	ALLENBAUGH RALPH
分类号	E04G3/32	主分类号	E04G3/32
代理机构		代理人
主权项
地址

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