Driving mechanism for conveyers or moving stairways,申请号US19350025969-传众专利搜索

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发明名称	Driving mechanism for conveyers or moving stairways
摘要
申请公布号	US2056541(A)	申请公布日期	1936.10.06
申请号	US19350025969	申请日期	1935.06.11
申请人	SHONNARD HAROLD W	发明人	SHONNARD HAROLD W.
分类号	B66B23/02	主分类号	B66B23/02
代理机构		代理人
主权项
地址

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