Improvements relating to mechanical excavators,申请号GB19400011030-传众专利搜索

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发明名称	Improvements relating to mechanical excavators
摘要
申请公布号	GB538332(A)	申请公布日期	1941.07.29
申请号	GB19400011030	申请日期	1940.06.28
申请人	PRIESTMAN BROTHERS LIMITED;CHARLES WILLIAM PIPER	发明人
分类号	E02F3/413;E02F3/50	主分类号	E02F3/413
代理机构		代理人
主权项
地址

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