Improvements in the manufacture of corrugated pipes and creased or corrugated pipe bends,申请号GB19330015095-传众专利搜索

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发明名称	Improvements in the manufacture of corrugated pipes and creased or corrugated pipe bends
摘要
申请公布号	GB408825(A)	申请公布日期	1934.04.19
申请号	GB19330015095	申请日期	1933.05.25
申请人	STEWARTS AND LLOYDS LIMITED;WILLIAM WILSON DUNN	发明人
分类号	B21D9/14	主分类号	B21D9/14
代理机构		代理人
主权项
地址

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