An improved gear mechanism intended for raising and lowering railroad guard bars,申请号GB19660033666-传众专利搜索

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发明名称	An improved gear mechanism intended for raising and lowering railroad guard bars
摘要
申请公布号	GB1149905(A)	申请公布日期	1969.04.23
申请号	GB19660033666	申请日期	1966.07.26
申请人	BERTIL IVAR TORSTEN LARSON	发明人	BERTIL IVAR TORSTEN LARSON
分类号	B61F19/06;B61L29/24	主分类号	B61F19/06
代理机构		代理人
主权项
地址

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