Improvements in or relating to cap covers in underground valves or the like shut-off devices operable from above ground,申请号GB19550004935-传众专利搜索

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发明名称	Improvements in or relating to cap covers in underground valves or the like shut-off devices operable from above ground
摘要
申请公布号	GB792829(A)	申请公布日期	1958.04.02
申请号	GB19550004935	申请日期	1955.02.18
申请人	GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE AG.	发明人
分类号	F16K41/02	主分类号	F16K41/02
代理机构		代理人
主权项
地址

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