Material handling scaffold,申请号US19420436889-传众专利搜索

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发明名称	Material handling scaffold
摘要
申请公布号	US2285901(A)	申请公布日期	1942.06.09
申请号	US19420436889	申请日期	1942.03.30
申请人	CHENOWETH ALBERT J	发明人	CHENOWETH ALBERT J.
分类号	E04F21/18	主分类号	E04F21/18
代理机构		代理人
主权项
地址

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