SAFETY DEVICE FOR MOVING STAIRWAYS,申请号USD3616891-传众专利搜索

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发明名称	SAFETY DEVICE FOR MOVING STAIRWAYS
摘要
申请公布号	US3616891(A)	申请公布日期	1971.11.02
申请号	USD3616891	申请日期	1970.08.06
申请人	HENRY LEONARD EARLE	发明人	HENRY LEONARD EARLE
分类号	B66B29/02;(IPC1-7):B66B9/12	主分类号	B66B29/02
代理机构		代理人
主权项
地址

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