Improvements in moving stairway,申请号GB19340009834-传众专利搜索

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发明名称	Improvements in moving stairway
摘要
申请公布号	GB414009(A)	申请公布日期	1934.07.26
申请号	GB19340009834	申请日期	1933.09.20
申请人	WAYGOOD-OTIS LIMITED	发明人
分类号	B66B23/04;B66B23/14	主分类号	B66B23/04
代理机构		代理人
主权项
地址

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