Improvements relating to couplings for colliery tubs or like wagons,申请号GB19310013065-传众专利搜索

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发明名称	Improvements relating to couplings for colliery tubs or like wagons
摘要
申请公布号	GB365448(A)	申请公布日期	1932.01.21
申请号	GB19310013065	申请日期	1931.05.04
申请人	JAMES LAWSON	发明人
分类号	B61G1/36	主分类号	B61G1/36
代理机构		代理人
主权项
地址

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