Improvements in or relating to the manufacture of pipes from asbestos-cement or like mixtures,申请号GB19300004746-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of pipes from asbestos-cement or like mixtures
摘要
申请公布号	GB346095(A)	申请公布日期	1931.04.09
申请号	GB19300004746	申请日期	1930.02.12
申请人	ERNST KOENIG	发明人
分类号	B28B21/74	主分类号	B28B21/74
代理机构		代理人
主权项
地址

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