Improvements in or relating to self-stabilising jib-cranes,申请号GB19330013905-传众专利搜索

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发明名称	Improvements in or relating to self-stabilising jib-cranes
摘要
申请公布号	GB402344(A)	申请公布日期	1933.11.30
申请号	GB19330013905	申请日期	1933.05.12
申请人	WILLIAM HUGH WATKINS	发明人
分类号	B66C23/10	主分类号	B66C23/10
代理机构		代理人
主权项
地址

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