Improvements in or relating to pipes,申请号GB19540011157-传众专利搜索

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发明名称	Improvements in or relating to pipes
摘要
申请公布号	GB746922(A)	申请公布日期	1956.03.21
申请号	GB19540011157	申请日期	1954.04.15
申请人	"SHELL" REFINING AND MARKETING COMPANY LIMITED	发明人	LAMB JOHN
分类号	F16L51/02	主分类号	F16L51/02
代理机构		代理人
主权项
地址

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